| Q - A Neon Platformer | platform game | — | Microsoft Windows |
| Q100877298 | — | — | Amstrad CPC |
| Q105747349 | — | — | Amstrad CPC |
| Q106622583 | — | — | Amstrad CPC |
| Q118114008 | — | — | Amstrad CPC |
| Q121759093 | — | — | Amstrad CPC |
| Q126361883 | — | First Touch Games | Android |
| Q133953221 | — | Syscom Entertainment | PlayStation 3 |
| Q137512513 | — | — | Amstrad CPC |
| Q97573307 | — | — | Amstrad CPC |
| Q97584707 | — | — | Amstrad CPC |
| Q98399279 | — | — | Amstrad CPC |
| Qbeh-1: The Atlas Cube | puzzle video game, platform game | — | Microsoft Windows, macOS |
| Qbik | casual game, adventure video game | — | Microsoft Windows, macOS, Linux |
| Qbio | strategy video game | — | Microsoft Windows |
| QbQbQb | — | — | Microsoft Windows, macOS, Linux |
| Qop 3 | casual game | Quiet River | Microsoft Windows |
| QP Shooting - Dangerous!! | action game | — | Microsoft Windows |
| Quadrata | puzzle video game | — | Microsoft Windows, macOS, Linux |
| Quake Champions | first-person shooter, arena shooter | Saber Interactive | Microsoft Windows |
| Quake II | first-person shooter, science fiction video game | — | Classic Mac OS, Microsoft Windows, Nintendo 64, Linux |
| Quake III: Revolution | — | Bullfrog Productions | — |
| Quantum Project | adventure video game, action game, action-adventure game | — | Microsoft Windows |
| Quantum Replica | — | — | Microsoft Windows |
| Quarantine Circular | — | Bithell Games | Microsoft Windows, macOS |
| Quazatron | — | Graftgold | ZX Spectrum |
| QUByte Classics: Zero Tolerance Collection by PIKO | — | Piko Interactive | Xbox Series X and Series S |
| Queen's Quest 3: The End of Dawn | hidden object game | Brave Giant | Microsoft Windows, macOS, Linux |
| Queen: The eYe | — | — | Microsoft Windows, DOS |
| Quench | casual game, simulation video game | — | Microsoft Windows |
| Quest Adventure | — | — | ZX Spectrum |
| Quest for Cathay Kingdom Mah Jong | casual game | — | Microsoft Windows, macOS, Linux |
| Quest for Glory: So You Want to Be a Hero | adventure video game | Q494614 | Classic Mac OS, DOS, Atari ST |
| Questery | — | — | Microsoft Windows |
| Quick Square | casual game, adventure video game, action game, action-adventure game | — | Microsoft Windows |
| Quickshot | — | — | Microsoft Windows |
| Quiet Christmas (Demo) | — | Nostatic Software | Android |
| Quiet, Please! | — | Nostatic Software | Ouya, Microsoft Windows, macOS, PlayStation Vita, Windows Phone, Android |
| Quintus and the Absent Truth | — | Eastasiasoft, Wreck Tangle Games | Microsoft Windows, Xbox Series X and Series S |
| QUOVADIS | MUD | — | — |