| R-Type | shoot 'em up, science fiction video game | Irem | TurboGrafx-16, arcade video game machine, Java virtual machine, PC Engine SuperGrafx, ZX Spectrum, Amstrad CPC, Atari ST, MSX, Android +1 |
| R-Type Delta | action game, science fiction video game | Irem | PlayStation Portable |
| R-Type Final 2 | shoot 'em up, science fiction video game | Granzella | Microsoft Windows |
| R-Type III: The Third Lightning | shoot 'em up, science fiction video game | Irem | Super Nintendo Entertainment System, Wii |
| R-Type Tactics II: Operation Bitter Chocolate | science fiction video game | Irem | PlayStation Portable |
| R-Types | — | Irem | — |
| R.B.I. Baseball 15 | baseball video game | — | Microsoft Windows, macOS |
| R.B.I. Baseball 17 | baseball video game | — | — |
| R.B.I. Baseball 3 | baseball video game | — | Super Nintendo Entertainment System |
| R.B.I. Baseball 4 | baseball video game | — | — |
| R.C. Pro-Am | — | Rare Ltd. | Nintendo Entertainment System |
| R.C. Pro-Am II | — | Rare Ltd. | Nintendo Entertainment System |
| R.U.S.E. | real-time strategy | Eugen Systems | PlayStation 3, Microsoft Windows, macOS |
| Rabbids Go Home | action-adventure game | Q2083518 | Microsoft Windows, Nintendo DS, Wii |
| Rabbids Land | party video game | Ubisoft Paris | Wii U |
| Rabbids Rumble | — | Kuju Ltd. | Nintendo 3DS |
| Rabbids: Party of Legends | party video game | Ubisoft Chengdu | Xbox Series X and Series S |
| Rabbit Story | casual game, adventure video game | Slava Bushuev | Microsoft Windows, macOS |
| Rabbit: Jigsaw Puzzles | casual game, adventure video game, strategy video game, sports video game | Boogygames Studios | Microsoft Windows |
| Race Condition | casual game, simulation video game, action game, racing video game, sports video game | — | Microsoft Windows |
| Race Days | — | Gremlin Interactive | Game Boy |
| Race Driver: Grid | — | Firebrand Games | Nintendo DS |
| Race Driver: Grid | — | Codemasters | PlayStation 3, Microsoft Windows, macOS |
| Race for Tuning | — | — | Microsoft Windows |
| Race for Your Life | adventure video game, racing video game | — | Microsoft Windows |
| Race'n'Chase | — | — | Microsoft Windows, DOS |
| Racing Djani 2 | racing video game | — | Microsoft Windows |
| RacinGroovy | racing video game | — | — |
| Radical Bomber!! Jirai-kun | — | — | Famicom Disk System |
| Radio Baseball | sports video game | — | DOS |
| Radio the Universe | post-apocalyptic video game | 6E6E6E | Microsoft Windows |
| Ragdoll Knight | — | — | Microsoft Windows |
| Ragdoll: Fall and Destroy | casual game, simulation video game, action game | — | Microsoft Windows |
| Rage of Mages | role-playing video game | Nival | Microsoft Windows |
| Rage Racer | racing video game | Namco | — |
| RagingBlasters | casual game, action game | — | Microsoft Windows |
| Ragnarock | action game | — | Microsoft Windows |
| Ragnarok Chess | casual game, simulation video game, strategy video game, sports video game | — | Microsoft Windows |
| Ragnarok Online 2: The Gate of the World | massively multiplayer online role-playing game | Gravity Corporation | Microsoft Windows |
| Ragnarok Online Prime | massively multiplayer online game | — | Microsoft Windows |
| Rags to Riches | — | — | Commodore 64 |
| Raiden | shoot 'em up | Seibu Kaihatsu | TurboGrafx-16, DOS, Super Nintendo Entertainment System, arcade video game machine, Atari Panther, Atari Jaguar, Atari Falcon, Atari Lynx |
| Raidfield 2 | — | — | Microsoft Windows, macOS, Linux |
| Rail of Möbius | interactive fiction | — | Microsoft Windows |
| Railfan: Chicago Transit Authority Brown Line | train simulator | Taito | PlayStation 3 |
| Railroad Ink Challenge | casual game, strategy video game | Horrible Guild Games | Microsoft Windows, macOS |
| Railroad Tycoon Deluxe | — | — | DOS |
| Railway Girl: Railway To Dream | interactive fiction | — | Microsoft Windows, macOS |
| Railway Life | — | — | Microsoft Windows |
| Railway Operation Simulator | — | — | Microsoft Windows |
| RailWorks | — | Kuju Ltd., Dovetail Games | Microsoft Windows |
| Rain on Your Parade | casual game, simulation video game, adventure video game, action game, action-adventure game | — | Microsoft Windows, macOS, Linux |
| Rainbow Pixel - Color by Number | — | Somer Games | Microsoft Windows, macOS |
| Rainbow Run | casual game, action game, strategy video game | — | Microsoft Windows |
| Rainy City: Pandemic | simulation video game | — | Microsoft Windows, macOS |
| Rally Cross 2 | racing video game | — | — |
| Rally Point | — | Xform Games | Microsoft Windows, web browser |
| Ralph and the Blue Ball | casual game | — | Microsoft Windows |
| Rampage | — | — | — |
| Rance III – Fall of Leazas – | eroge, role-playing video game | AliceSoft | Microsoft Windows, Sharp X68000, NEC PC-9800 series, FM Towns |
| Rance Quest | eroge, role-playing video game | AliceSoft | Microsoft Windows |
| Rance X -Showdown- | eroge, role-playing video game | AliceSoft | Microsoft Windows |
| Rangok Skies | action game | — | Microsoft Windows, macOS |
| Ranma ½ Byakuran Aika | visual novel | Shogakukan-Shueisha Productions, Nippon Computer Systems | — |
| Ranma ½: Datou, Ganso Musabetsu Kakutou-ryuu! | fighting game | Nippon Computer Systems | TurboGrafx-16 |
| Ranma ½: Hard Battle | fighting game | Nippon Computer Systems | Super Nintendo Entertainment System |
| Ranma ½: Hidden Treasures of the Crimson Cats | role-playing video game | — | Super Nintendo Entertainment System |
| Ranma ½: Toraware no Hanayome | adventure video game | TENKY | — |
| Ransack Raccoon | casual game, action game | — | Microsoft Windows |
| Ransom of the Seven Ships | adventure video game | Her Interactive | Microsoft Windows |
| Rasetsu Fumaden | role-playing video game | — | Microsoft Windows |
| Rat Attack! | — | — | Nintendo 64 |
| Ratchet & Clank Collection | platform game | Insomniac Games, Mass Media Inc. | PlayStation 3, PlayStation Vita |
| Ratchet & Clank Future: A Crack in Time | platform game | Insomniac Games | PlayStation 3 |
| Ratchet & Clank Future: Tools of Destruction | platform game | Insomniac Games | PlayStation 3 |
| Ratchet & Clank: All 4 One | action-adventure game, platform game | Insomniac Games | PlayStation 3 |
| Ratchet & Clank: Rift Apart | adventure video game, action game, action-adventure game, third-person shooter, fantasy video game, platform game | Insomniac Games | Microsoft Windows |
| RATTUS | action game | — | Microsoft Windows |
| RATUZ | adventure video game, action game, action-adventure game | — | Microsoft Windows |
| Raven's Hike | platform game | Wired Dreams Studios | Microsoft Windows, Xbox Series X and Series S |
| Ravenous Devils | horror video game, simulation video game | Bad Vices Games | Microsoft Windows, Xbox Series X and Series S |
| Ravenskull | — | Ubisoft Reflections | Microsoft Windows, Acorn Archimedes |
| Raving Rabbids: Alive & Kicking | — | Ubisoft Milan | — |
| Raving Rabbids: Travel in Time | action-adventure game, platform game | Ubisoft Paris | Wii |
| Raw Danger! | action-adventure game | Irem | PlayStation 3 |
| Rayland | casual game | Eastasiasoft, Naoka Games | Microsoft Windows, Xbox Series X and Series S |
| Rayman 2: The Great Escape | 3D platform game | Q2083518 | PlayStation 3, Microsoft Windows, Nintendo DS, PlayStation Portable, Nintendo 64, PlayStation Vita |
| Rayman 3: Hoodlum Havoc | — | Q188273, Ubisoft Shanghai | PlayStation 3, Microsoft Windows, macOS, Nintendo GameCube |
| Rayman Raving Rabbids | party video game | Q2083518 | Microsoft Windows, macOS, Nintendo DS, Wii, Nintendo DS Lite |
| Rayman Rush | racing video game | Ubisoft Shanghai | — |
| Razenroth 2 | action game, role-playing video game | — | Microsoft Windows |
| Razor2: Hidden Skies | — | — | Microsoft Windows |
| Re:Call | adventure video game | — | Microsoft Windows, Xbox Series X and Series S |
| Reach | adventure video game | — | Microsoft Windows |
| Reactivate Majestical Imperial | bullet hell | JynX, Trick Nostalgie | Microsoft Windows |
| Reading Simulator | simulation video game | — | Microsoft Windows |
| Real Cricket 24 | — | — | Android |
| REAL LIFE OF SOLDIERS | casual game | — | Microsoft Windows |
| Real Time Battle Shogi Online | — | — | — |
| Real Warfare 2: Northern Crusades | real-time strategy | — | Microsoft Windows |
| RealityMinds | role-playing video game | — | Microsoft Windows |
| Really Big Sky | — | — | Microsoft Windows |
| Really Trash Game | action game | — | Microsoft Windows |
| ReallyGoodBattle | platform fighter | — | Microsoft Windows |
| Realms of Arkania: Star Trail | role-playing video game | Attic Entertainment Software | Microsoft Windows, macOS, DOS, Linux |
| RealSports Basketball | basketball video game | — | Atari 2600 |
| Reaping Rewards | — | — | Microsoft Windows |
| Rear of Business | casual game, simulation video game, adventure video game, action game, action-adventure game, strategy video game, racing video game | — | Microsoft Windows |
| Rebels & Redcoats | — | HexWar Games | Microsoft Windows, macOS |
| Rebelstar | turn-based tactics | Julian Gollop | ZX Spectrum, Amstrad CPC |
| Rebelstar Raiders | — | — | ZX Spectrum |
| Rebirth Moon | — | Idea Factory | — |
| Rebirth:Mr Wang | — | — | Microsoft Windows |
| Reborn Souls | role-playing video game | — | Microsoft Windows |
| Recoiled | casual game, action game | — | Microsoft Windows |
| Reconquista | eroge, visual novel | COTTON SOFTWARE | Microsoft Windows |
| Record of Lodoss War | high fantasy video game, role-playing video game | — | Super Nintendo Entertainment System |
| Record of Lodoss War: The War of Heroes | high fantasy video game, role-playing video game | — | — |
| Red Ace Squadron | — | — | Microsoft Windows |
| Red Ball Escape Adventure | — | — | Xbox Series X and Series S |
| Red Bow | casual game, adventure video game | Stranga Games | Microsoft Windows |
| Red Crucible Firestorm | first-person shooter | — | macOS |
| Red Dust | first-person shooter | — | Microsoft Windows, Linux |
| Red Faction Guerrilla Re-Mars-tered | third-person shooter | Q1458317, Kaiko | Microsoft Windows |
| Red Faction: Armageddon | science fiction video game, third-person shooter | Q1458317 | PlayStation 3, Microsoft Windows |
| Red Faction: Guerrilla | science fiction video game, third-person shooter | Q1458317 | PlayStation 3, Microsoft Windows |
| Red Hands – 2-Player Game | simulation video game, action game | Peaksel | Microsoft Windows, macOS |
| Red Hood Adventure | — | — | Microsoft Windows |
| Red Horizon | — | — | Microsoft Windows, macOS |
| RED HOT VENGEANCE | action game | — | Microsoft Windows |
| Red Matter | science fiction video game, puzzle video game | Vertical Robot | Microsoft Windows |
| Red Matter 2 | adventure video game, action game, action-adventure game | Vertical Robot | Microsoft Windows |
| Red Measures | action game | — | Microsoft Windows |
| Red Rope: Don't Fall Behind | adventure video game, action game, action-adventure game | — | Microsoft Windows, macOS, Linux |
| Red Rush | strategy video game | — | Microsoft Windows |
| Red Sea Crossing | — | — | Atari 2600 |
| Red Tape | adventure video game | — | Microsoft Windows |
| Red Wings: American Aces | action game | All in! Games | Microsoft Windows |
| Red Yet Capers: Math vs Mayhem | adventure video game, action game, action-adventure game | — | Microsoft Windows |
| Red Zone | — | SCE Studio Liverpool | — |
| Red's Kingdom | — | Cobra Mobile | Microsoft Windows, macOS |
| RedCat (Demo Disc) | — | Davilex Games | Microsoft Windows |
| RedCat - Het Levende Kleurboek | educational video game, serious game | Davilex Games | Microsoft Windows |
| RedCat 2: De Ontvoering van Prinses Dana | action game, platform game | Davilex Games, RedCat Software | — |
| RedCat Groep 4 Taal | educational video game | Davilex Games | Microsoft Windows |
| RedCat: Geschiedenis - De toffe tijdreis | educational video game | Davilex Games | Microsoft Windows |
| Redout | racing video game | 34BigThings | Microsoft Windows |
| Reel Fishing: Days of Summer | fishing video game, action game, role-playing video game, sports video game | — | Microsoft Windows, Xbox Series X and Series S |
| Reel Fishing: Wild | — | — | — |
| Reflec Beat Colette | music video game | Konami | arcade video game machine |
| Reflec Beat Limelight | music video game | Konami | arcade video game machine |
| Reflections of Life: Spindle of Fate | casual game, adventure video game | — | Microsoft Windows |
| Reflector Rhythm Master | casual game, action game | — | Microsoft Windows |
| Reginald's Death Arena | action game | — | Microsoft Windows |
| Reign of Fire | — | Kuju Ltd. | Nintendo GameCube |
| Reigns | — | Nerial | Microsoft Windows, macOS, Linux, Android |
| Reigns+ | — | Nerial | — |
| Reigns: Her Majesty | — | Nerial | Microsoft Windows, macOS, Linux, Android |
| Reigns: Kings & Queens | — | Nerial | — |
| Reigns: Three Kingdoms | — | Nerial | Microsoft Windows, Android |
| Reknum | — | — | — |
| Relaxing Kite | casual game | — | Microsoft Windows, macOS, Linux |
| Relics of the Lost Age | casual game, action game, role-playing video game | Hosted Games | Microsoft Windows, macOS, Linux |
| Remember 11: The Age of Infinity | science fiction video game, visual novel | — | Microsoft Windows, Android |
| Remote Control Dandy SF | — | — | — |
| Remoteness | adventure video game, action game, action-adventure game | KR Games | Microsoft Windows, Xbox Series X and Series S |
| Renegade Grounds: Episode 2 | adventure video game, role-playing video game | Astronomic Games | Microsoft Windows |
| Rent-a-Vice | adventure video game, role-playing video game | Choice of Games | Microsoft Windows, macOS, Linux |
| Replaced | — | Coatsink | Microsoft Windows, Android, Xbox Series X and Series S |
| Repton | — | — | Microsoft Windows, ZX Spectrum, Linux, Acorn Archimedes |
| Republic of Pirates | — | — | Microsoft Windows, Xbox Series X and Series S |
| Rescue Mission | — | — | — |
| Rescue Rina | casual game, adventure video game | Anamik Majumdar | Microsoft Windows, Linux |
| Rescue Rover Collection | puzzle video game | — | Microsoft Windows |
| Rescue Team 6 | casual game, adventure video game | Nova Ideas | Microsoft Windows, macOS |
| Reservoir Dogs | — | Volatile Games | Microsoft Windows, macOS, Linux |
| Resette's Prescription ~Book of memory, Swaying scale~ | — | — | Microsoft Windows |
| Resident Evil 2 | zombie video game, survival horror | Tiger Electronics, Capcom, Factor 5, Q959329 | Microsoft Windows, Nintendo GameCube, Nintendo 64 |
| Resident Evil 4 VR | first-person shooter, survival horror | Capcom | Microsoft Windows |
| Resident Evil 4: Ultimate HD Edition | action game, survival horror, shooter game | Capcom | Microsoft Windows |
| Resident Evil: Mercenaries Vs. | third-person shooter | Capcom | — |
| Resident Evil: Revelations | action game, survival horror, third-person shooter | Capcom, Tose Co. | PlayStation 3, Microsoft Windows, Nintendo 3DS, Wii U |
| Resistance 3 | post-apocalyptic video game, first-person shooter | Insomniac Games | PlayStation 3 |
| Resistance: Burning Skies | post-apocalyptic video game, first-person shooter, science fiction video game | NStigate Games | PlayStation Vita |
| RESONARK X | casual game, action game | — | Microsoft Windows |
| Resort Boin | eroge, visual novel | — | Microsoft Windows |
| Restaurant Manager Simulator | — | — | Microsoft Windows |
| Restaurant Solitaire Delicious Lunch | — | Somer Games | Microsoft Windows |
| Restless Night | adventure video game, action game, action-adventure game | HugePixel | Microsoft Windows |
| Retribution | — | — | DOS |
| Retro Bowl | — | — | web browser, Android |
| Retro City Rampage | action-adventure game | Vblank Entertainment | PlayStation 3, Microsoft Windows, macOS, PlayStation Vita, Linux, Wii, Android |
| Retro Classix: Gate of Doom | action role-playing game, beat 'em up | Data East | Microsoft Windows |
| Retro Karting 22 | casual game, racing video game | — | Microsoft Windows |
| Retro Snake Adventures | — | — | Microsoft Windows |
| Retro Squash | squash video game | — | Amstrad CPC |
| Retrobooster | action game | — | Microsoft Windows, Linux |
| RetroMania Wrestling | professional wrestling video game | RetroSoft Studios | Microsoft Windows |
| RetroVamp | casual game | — | Microsoft Windows |
| Retrovirus | — | Cadenza Interactive | Microsoft Windows |
| Retrowave Rider | action game | — | Microsoft Windows |
| Reus | strategy video game, god game | Abbey Games | Microsoft Windows, macOS, personal computer, Linux |
| Revelation | — | Krisalis Software | Microsoft Windows |
| Revenant | — | — | Classic Mac OS, Microsoft Windows |
| REVENGER: Age of Morons | — | — | Microsoft Windows |
| Reverse x Reverse | action game | — | Microsoft Windows |
| Reversilly | action game | — | Microsoft Windows |
| ReX | casual game, adventure video game, action game, action-adventure game | — | Microsoft Windows, macOS |
| Rex and UFO | point-and-click adventure, graphic adventure game | Aidem Media | Microsoft Windows |
| RGB Rush | casual game | Follow The Fun | Microsoft Windows |
| Rhapsody III: Memories of Marl Kingdom | role-playing video game | Nippon Ichi Software | Microsoft Windows |
| RHEM 3: The Secret Library | adventure video game | — | Microsoft Windows, macOS |
| Rhino Rumble | action game, platform game | Telegames | Game Boy Color |
| Rhythm Fighter | adventure video game, action game, action-adventure game | — | Microsoft Windows, macOS |
| Rhythm Heaven Fever | rhythm game | Nintendo Software Planning & Development | Wii U, Wii |
| Rhythm Journey | casual game | — | Microsoft Windows, macOS |
| Rhythm Knights: Double Treble | casual game, action game | — | Microsoft Windows |
| Rich Diamond | — | — | Microsoft Windows |
| Rick Henderson | action game | — | Microsoft Windows, Linux, Xbox Series X and Series S |
| Ricochet | — | — | Acorn Electron, BBC Micro |
| Ricochet HD | Breakout clone | — | PlayStation 3 |
| Ricochet Lost Worlds: Recharged | Breakout clone | Reflexive Entertainment | Microsoft Windows |
| Riddler's Den | — | — | ZX Spectrum |
| Riddles Of The Past | hidden object game | — | Microsoft Windows |
| Ride! Equestrian Simulation | — | Dancing Dots | Microsoft Windows, Wii |
| Riders 2491 | action game | — | Microsoft Windows, Linux |
| Ridge Racer 6 | racing video game | Namco | — |
| Ridge Racer Driftopia | racing video game | — | PlayStation 3, Microsoft Windows |
| Ridge Racer Revolution | racing video game | Namco | — |
| Ridge Racer Slipstream | racing video game | Invictus Games | Android |
| Ridiculous Fishing EX | — | — | macOS |
| Riding Horse School | — | — | Microsoft Windows |
| Rift Racoon | adventure video game, action game, action-adventure game | — | Microsoft Windows |
| Rift's Cave | adventure video game | Volens Nolens Games | Microsoft Windows, Linux |
| Rig Racer 2 | — | Data Design Interactive | Wii |
| Right and Down | strategy video game | — | Microsoft Windows |
| Rikorisu ~Lycoris Radiata~ | visual novel | Terios | Microsoft Windows |
| Rikujou Boueitai Mao-chan | — | — | — |
| Rio Run | — | — | web browser |
| Rise 2: Resurrection | — | — | DOS |
| Rise Eterna | tactical role-playing game | — | Microsoft Windows |
| Rise of Industry 2 | business simulation game | SomaSim | Microsoft Windows, Xbox Series X and Series S |
| Rise of Insanity | horror video game | Red Limb Studio | Microsoft Windows, Linux |
| Rise of the Argonauts | — | Liquid Entertainment | PlayStation 3, Microsoft Windows |
| Rise of the Third Power | role-playing video game | Stegosoft Games | Microsoft Windows, macOS, Linux, Xbox Series X and Series S |
| Rise of the Tomb Raider | action-adventure game | Crystal Dynamics | Microsoft Windows, macOS, Linux |
| Rise of the Tomb Raider: 20 Year Celebration | — | Eidos Montreal, Crystal Dynamics | Microsoft Windows, macOS, Linux |
| RITE | casual game, adventure video game, action game, action-adventure game | — | Microsoft Windows, Linux |
| Rival Turf! | fighting game | Jaleco | Super Nintendo Entertainment System |
| River City Saga: Three Kingdoms | beat 'em up | Arc System Works | Microsoft Windows |
| River King: Mystic Valley | fishing video game | — | Nintendo DS |
| River Rescue | — | Aackosoft, Creative Sparks | ZX Spectrum, Commodore VIC-20, Commodore 64 |
| Road Rage 3 | racing video game | — | — |
| Road Rash | vehicular combat game | Electronic Arts | Microsoft Windows |
| Road Runner | — | Atari Games | arcade video game machine |
| Road to Top G | action game | — | Microsoft Windows |
| Roar of Revenge | adventure video game, action game, action-adventure game | Seep | Microsoft Windows, Xbox Series X and Series S |
| Roarr! The Adventures of Rampage Rex | casual game, adventure video game, action game, action-adventure game | — | Microsoft Windows, macOS |
| ROB | casual game, action game | — | Microsoft Windows |
| Robber Sam | casual game, adventure video game, action game, action-adventure game | — | Microsoft Windows |
| Robbery Bob | — | — | Android Ice Cream Sandwich |
| Robert E. Lee: Civil War General | — | — | Microsoft Windows |
| Robert Ludlum's The Bourne Conspiracy | third-person shooter | High Moon Studios | PlayStation 3 |
| Robin Hood's Quest | — | — | Microsoft Windows |
| Robin Hood: Hail to the King | casual game, adventure video game | GameOn Production | Microsoft Windows |
| Robin Hood: Prince of Thieves | — | Sculptured Software | Nintendo Entertainment System, Game Boy |
| Robin Hood: The Legend of Sherwood | — | Strategy First | Microsoft Windows, macOS, Linux |
| Robin: Race! | — | — | Microsoft Windows, Linux |
| Robo Vacuum Simulator | casual game, simulation video game | — | Microsoft Windows |
| Robo-Boy Risky Venture | adventure video game | — | Microsoft Windows |
| Robobeat | — | — | Microsoft Windows, Xbox Series X and Series S |
| Robobo TM | — | — | Microsoft Windows |
| Robocat Groep 4 Rekenen | educational video game | Davilex Games | — |
| RoboCop | — | Data East, Nichibutsu | DOS, Nintendo Entertainment System, Game Boy, arcade video game machine, ZX Spectrum, Amiga 1200, Amstrad CPC, Atari ST, MSX, Commodore 64 |
| RoboCop 3 | — | Acclaim Studios London | ZX Spectrum, Commodore 64 |
| RoboCop: Rogue City | action game, shooter game | Q7708592 | Microsoft Windows, macOS, Xbox Series X and Series S |
| Robon | — | — | ZX Spectrum |
| RoboPhobik | action game, strategy video game | Haruneko Entertainment | Microsoft Windows |
| Roboshark Rampage | casual game, action game | Bolder Games | Microsoft Windows, Linux |
| Robosnow | racing video game | — | Microsoft Windows |
| Robot Arena | action game | Gabriel Entertainment | Microsoft Windows |
| Robot Arena III | — | Gabriel Entertainment | Microsoft Windows |
| Robot Chase | — | GarageGames | Microsoft Windows |
| Robot Ponkottsu 64: Nanatsu no Umi no Caramel | role-playing video game | Red Entertainment | Nintendo 64 |
| Robot Wars: Advanced Destruction | — | — | — |
| Robot Wars: Extreme Destruction | — | Climax Studios | Microsoft Windows |
| Robot Wars: Metal Mayhem | — | Tiertex Design Studios | Game Boy Color |
| Robotex | casual game, adventure video game, action game, action-adventure game | YFYX GAMES | Microsoft Windows, macOS, Linux |
| Rock 'n' Roll Will Never Die! | adventure video game | — | Microsoft Windows |
| Rock Band 2 | rhythm game | Harmonix Music Systems | PlayStation 3, Wii |
| Rock Band 3 | rhythm game, music video game | Harmonix Music Systems, Backbone Emeryville | PlayStation 3, Nintendo DS, Wii |
| Rock Band Metal Track Pack | rhythm game | Harmonix Music Systems | Wii |
| Rock Band Unplugged | rhythm game | Harmonix Music Systems | PlayStation Portable |
| Rocket Pons Royale | action game, strategy video game, massively multiplayer online game | — | Microsoft Windows, macOS, Linux |
| Rocketball | — | — | Commodore 64 |
| Rockfest | — | Independent Arts Software | Microsoft Windows |
| Rockman EXE Phantom of Network | tactical role-playing game, real-time tactics | — | mobile phone |
| Rockstar Games presents Table Tennis | — | Q959329 | Wii |
| Rocky Legends | — | Venom Games | — |
| Rododendron | strategy video game | — | Microsoft Windows |
| Rogue Aces Deluxe | — | — | Microsoft Windows |
| Rogue Bit | simulation video game | — | Microsoft Windows, macOS, Linux |
| Rogue Buddies - Aztek Gold | — | — | Microsoft Windows |
| Rogue Fortune | — | — | Microsoft Windows, Xbox Series X and Series S |
| Rogue Glitch | action game | — | Microsoft Windows, macOS |
| Rogue Reaper | — | — | Microsoft Windows |
| ROGUE SHIFT | adventure video game, action game, action-adventure game, role-playing video game | — | Microsoft Windows |
| Rogue Trooper | — | Krisalis Software | Atari ST |
| RoHoEn Rumble | action game | — | Microsoft Windows |
| Roko-Loko into Ratozinger's Castle | adventure video game, action game, action-adventure game | — | Microsoft Windows |
| Rolando The Majestic | adventure video game | — | Microsoft Windows |
| Role Player: Full Immersion | adventure video game, action game, action-adventure game, role-playing video game | — | Microsoft Windows |
| Roll The Cat | puzzle video game | LeJunesArt | Microsoft Windows, Xbox Series X and Series S |
| Rollaround | — | — | ZX Spectrum, Amstrad CPC |
| RollerCoaster Tycoon | — | Frontier Developments | Microsoft Windows, Android |
| RollerCoaster Tycoon 3D | construction and management simulation | N-Space | Nintendo 3DS |
| RollerCoaster Tycoon World | construction and management simulation | — | Microsoft Windows, personal computer |
| Rolling | — | Rage Games | — |
| Rolling Hamster | casual game, racing video game | — | Microsoft Windows |
| Rolling Line | simulation video game | — | Microsoft Windows |
| Rolling Sky | music video game, platform game | TurboChilli Publishings, Cheetah Mobile | Microsoft Windows, Android |
| Rolling Sky 2 | music video game, platform game | Cheetah Mobile | Microsoft Windows |
| Roly Poly | simulation video game, adventure video game, role-playing video game | — | Microsoft Windows |
| Roma Invicta | strategy video game | — | Microsoft Windows, macOS, Linux |
| Romance of the Three Kingdoms XI | turn-based strategy video game, grand strategy wargame, strategy video game | Koei | Microsoft Windows, Wii |
| Romance with Chocolate | hidden object game | Crisp App Studio | Microsoft Windows, macOS |
| Romancing SaGa | role-playing video game | Square | EZweb, Microsoft Windows, Super Nintendo Entertainment System, i-mode, Wii U, Android |
| Rome: Total War: Alexander | — | Creative Assembly, Feral Interactive | Microsoft Windows, macOS, Android |
| Roof Rage | — | — | Microsoft Windows |
| Rooftop Renegade | action game, racing video game | Melonhead Games | Microsoft Windows, Xbox Series X and Series S |
| Room of Pandora | casual game, adventure video game | — | Microsoft Windows, macOS, Linux |
| Room to Grow | puzzle video game | — | Microsoft Windows, macOS |
| RoomESC- Secret of the Hidden Room: the Collaborator | — | — | Microsoft Windows |
| ROOT | action game | Skunkape Interactive | Microsoft Windows, macOS, Linux |
| Root Double: Before Crime * After Days | visual novel | Regista | Microsoft Windows |
| Root Film | — | Kadokawa Games | — |
| Root Letter | visual novel | Kadokawa Key-Process | Microsoft Windows, Android |
| Roots of Pacha | simulation video game, role-playing video game | — | Microsoft Windows, macOS, Linux, Xbox Series X and Series S |
| Rose and Time | — | — | Android |
| Rose Seed Replica | adventure video game | — | Microsoft Windows, Linux |
| Rosen's Brigade | horizontally scrolling shooter | — | Atari 8-bit family |
| Rot Gut | adventure video game, action game, action-adventure game | — | Microsoft Windows |
| Roterra 4 - Magical Revolution | casual game | — | Microsoft Windows, macOS, Linux |
| Rotund Rebound | adventure video game, action game, action-adventure game | — | Microsoft Windows, macOS, Linux |
| Rotund Zero | casual game, action game | Dahku Creations | Microsoft Windows, macOS, Linux, Mac |
| Route Me Mail and Delivery Co | casual game, simulation video game, adventure video game, strategy video game, role-playing video game | — | Microsoft Windows |
| Routine Feat | simulation video game, adventure video game | — | Microsoft Windows, macOS |
| Rover Mechanic Simulator | simulation video game | Pyramid Games | Microsoft Windows |
| Roving in the Dark | adventure video game | — | Microsoft Windows |
| Royal Rescue | adventure video game, action game, action-adventure game, strategy video game, role-playing video game | — | Microsoft Windows |
| Royal Riddles | — | Creobit | Microsoft Windows |
| RPG Maker | role-playing video game | — | — |
| RPG Maker 2 | role-playing video game | — | — |
| Ruby & Rusty – Save the Crows | — | — | Game Boy, Game Boy Color |
| Rugby 15 | rugby union video game | HB Studios | — |
| Rugby Challenge 2006 | — | Swordfish Studios | — |
| Rugby League 2 | sports video game | Sidhe | Microsoft Windows |
| Rugrats Go Wild: The Video Game | — | ImaginEngine | — |
| Rugrats: Studio Tour | platform game | N-Space | — |
| Ruina: Fairy Tale of the Forgotten Ruins | role-playing video game | Shoukichi Karekusa | Microsoft Windows |
| Rule No. 2 | casual game, action game | — | Microsoft Windows |
| Rumble Runners | casual game, racing video game | — | Microsoft Windows |
| Rumbleverse | battle royale game, beat 'em up | Iron Galaxy Studios | Microsoft Windows, Xbox Series X and Series S |
| Run Sausage Run! | casual game, action game, racing video game | Big Green Pillow, Crazy Labs | Microsoft Windows, Android, Xbox Series X and Series S |
| Rune Break | casual game, adventure video game, action game, action-adventure game, role-playing video game | — | Microsoft Windows |
| RuneScape Classic | massively multiplayer online role-playing game | — | — |
| Runic Survivor | — | Red Beard Games | Microsoft Windows |
| Running Black | — | — | Microsoft Windows |
| Runo | casual game | — | Microsoft Windows |
| Runout | adventure video game, action game, action-adventure game | — | Microsoft Windows, Xbox Series X and Series S |
| Rupan Sansei | action game, platform game | — | arcade video game machine |
| Ruruli Ra Rura | — | NEC Home Electronics, Ltd. | PC-FX |
| Rush for Berlin | — | StormRegion | Microsoft Windows |
| Rush Rally Origins | — | Brownmonster | Microsoft Windows, Xbox Series X and Series S |
| RUSH!!! | casual game, action game | — | Microsoft Windows |
| Rushdown | sports video game | Canal+, Atari SA | — |
| Russian Gangsta In HELL | adventure video game, action game, action-adventure game | — | Microsoft Windows |
| RussianPunk 2007 | action game | — | Microsoft Windows |
| Rust: Instruments Pack | — | Facepunch Studios | Microsoft Windows |
| Rustler | adventure video game, action game, action-adventure game, role-playing video game, racing video game | Jutsu Games | Microsoft Windows |
| RWBY: Arrowfell | Metroidvania, action game, beat 'em up, platform game | WayForward Technologies | Microsoft Windows, Xbox Series X and Series S |
| RWBY: Grimm Eclipse | adventure video game, action game, action-adventure game | Rooster Teeth Games | Microsoft Windows, macOS |
| Ryukyu | puzzle video game | Success, ASCII Corporation | TurboGrafx-16, MSX 2, NEC PC-8800 series, Sharp X68000, NEC PC-9800 series, arcade video game machine |
| Ryōko no Oshaberi Room | bishōjo game, visual novel | Datam Polystar | — |
| Röki | — | Polygon Treehouse | Microsoft Windows, macOS, Xbox Series X and Series S |
| RŌA | adventure video game | — | Microsoft Windows |