| Quantum Suicide - Demo | r44018 | 2026-04-21 |
| Quantum Suicide - Download Edition | r45177 | 2026-04-21 |
| Quantum Suicide - Physical Edition | r48064 | 2026-05-10 |
| Quantum v0.2 | r121633 | 2026-05-14 |
| Quarantine | r85493 | 2026-05-12 |
| Quarter of Severance | r138777 | 2026-04-21 |
| Quartett! | r20249 | 2026-05-11 |
| Quartett! | r657 | 2026-04-21 |
| Quartett! - Bộ Tứ | r12884 | 2026-05-11 |
| Quartett! - Download Edition | r59248 | 2026-05-10 |
| Quartett! - First Press Edition | r379 | 2026-05-13 |
| Quartett! - Standard Edition | r380 | 2026-05-16 |
| Quartett! - Trial Edition | r23619 | 2026-05-07 |
| Quartett! - Voice Patch | r142265 | 2026-05-08 |
| Quartett! PUSH!! original trial edition | r15385 | 2026-04-21 |
| Quartett! ~The Stage of Love~ First Press Limited Edition | r381 | 2026-05-13 |
| Quartett! ~The Stage of Love~ Regular Edition | r2453 | 2026-05-13 |
| Quartett!~Sân khấu tình yêu~(PC) | r14402 | 2026-05-13 |
| Quasi Quest ~The Search for Sparkles~ | r28619 | 2026-05-13 |
| Quatre Juillet - Windows Edition | r101081 | 2026-05-13 |
| Quay of the Tiber | r59340 | 2026-05-13 |
| Quchong de Xingfu | r146476 | 2026-05-16 |
| Queen & Knight | r138587 | 2026-05-13 |
| Queen At Arms Demo | r36118 | 2026-05-13 |
| Queen At Arms: Deluxe Edition | r44657 | 2026-05-13 |
| Queen At Arms: First Edition | r36119 | 2026-05-13 |
| Queen B, Book 1 | r136429 | 2026-05-13 |
| Queen B, Book 2 | r136430 | 2026-04-21 |
| Queen Beast | r102615 | 2026-05-13 |
| Queen Beast | r145531 | 2026-05-13 |
| Queen Beast | r144477 | 2026-05-13 |
| Queen Beast | r99742 | 2026-05-08 |
| Queen Castling - First Demo | r135573 | 2026-05-10 |
| Queen Cobra & The No-Eye-Deer | r137381 | 2026-05-13 |
| Queen Naeja's Desires | r134805 | 2026-05-13 |
| Queen Of Spade v1.0 | r92870 | 2026-05-13 |
| Queen Of Spade v2.0 | r92871 | 2026-05-13 |
| Queen Of Thieves | r50630 | 2026-05-13 |
| Queen Of Thieves | r47982 | 2026-05-12 |
| Queen Pirate: Love Adrift | r135007 | 2026-05-13 |
| Queen for a Week - Demo | r146362 | 2026-05-13 |
| Queen in 30 days | r141792 | 2026-05-13 |
| Queen in 30 days, Season 1 | r141789 | 2026-05-13 |
| Queen in 30 days, Season 2 | r141790 | 2026-05-13 |
| Queen in 30 days, Season 3 | r141791 | 2026-05-12 |
| Queen of Darkness | r3751 | 2026-05-13 |
| Queen of Darkness - Anhei Nvwang Benzhuan - First Moon | r17420 | 2026-05-13 |
| Queen of Darkness Replay+ [Addition Disk] | r6481 | 2026-05-13 |
| Queen of Darkness ~the first moon~ | r6480 | 2026-05-13 |
| Queen of Darkness ~the first moon~ | r40690 | 2026-05-13 |