| Quantum Engine (2017) | 153,637 | 15 |
| Quantum Error (2023) | 2,646,296 | 910 |
| Quantum Flux (2015) | 81,417 | 25 |
| Quantum Gate (1993) | 999,780 | 43 |
| Quantum Gravity (2023) | 128,008 | 105 |
| Quantum Knights (2023) | 1,101,974 | 232 |
| Quantum League (2020) | 2,867,990 | 653 |
| Quantum of Hope (2024) | 137 | 1 |
| Quantum Protocol (2020) | 186,507 | 442 |
| Quantum Redshift (2002) | 421,783 | 203 |
| Quantum Replica (2018) | 379,593 | 168 |
| Quantum Rush: Champions (2014) | 172,146 | 204 |
| Quantum Sleeper (2024) | 175 | 3 |
| Quantum Theory (2010) | 1,960,351 | 811 |
| Quantum Tripper (2022) | 5,494 | 13 |
| Quantum Witch (2025) | 1,920 | 9 |
| Quantum Wizard (2017) | 166 | 6 |
| Quantz (2009) | 13,155 | 24 |
| Quarantine (1994) | 5,122,359 | 181 |
| Quarantine Circular (2018) | 195,400 | 61 |
| Quarantine Cutz (2024) | 0 | 0 |
| Quarantine Diary - The 16th Carol Reed Mystery (2021) | 190,570 | 43 |
| Quarrel (2011) | 222,398 | 75 |
| Quarrel Hill (2024) | 0 | 0 |
| The Quarry (2022) | 508,993,043 | 124,815 |
| Quarter Back Scramble: American Football Game (1989) | 30,924 | 27 |
| Quarter Horse Racing (2020) | 430 | 2 |
| Quarterback (1987) | 14,834,477 | 570 |
| Quartet (1986) | 2,231,231 | 920 |
| Quarth (1989) | 475,917 | 528 |
| Quarxon (1982) | 104 | 3 |
| Quash (2020) | 1,427 | 3 |
| Quasimorph (2023) | 3,702,082 | 1,326 |
| Quatro! (2022) | 3,179,896 | 243 |
| Quattro Adventure (1993) | 237,649 | 140 |
| Quattro Arcade (1991) | 87,219 | 50 |
| Quattro Sports (1990) | 54,423 | 131 |
| Quaver (2020) | 466,331 | 1,099 |
| Quazatron (1986) | 28,044 | 27 |
| Qube Qross (2020) | 286 | 5 |
| Qubie: Invader of Worlds (2021) | 0 | 0 |
| Qublyne Dungeons (2022) | 64 | 5 |
| Quebec Mortis (2023) | 324 | 2 |
| Quedex (1987) | 18,738 | 32 |
| Queen of Seas (2017) | 725 | 5 |
| Queen of Seas 2 (2018) | 117 | 3 |
| Queen Of Thieves (2017) | 468,627 | 21 |
| Queen Slayer (2025) | 280,368 | 54 |
| The Queen TV: Game 2 (2020) | 14 | 1 |
| Queen's Blade i (2007) | 0 | 0 |
| Queen's Blade: An Angel's Scolding (2007) | 0 | 0 |
| Queen's Blade: Mobile (2015) | 0 | 0 |
| Queen's Blade: Musha-Miko's Snake Hell (2006) | 0 | 0 |
| Queen's Blade: Spiral Chaos (2009) | 1,287,800 | 652 |
| Queen's Blade: The Conquest (2012) | 0 | 0 |
| Queen's Blade: White Triangle (2019) | 90,308 | 49 |
| Queen's Garden (2024) | 269,722 | 88 |
| Queen's Gate: Spiral Chaos (2011) | 1,547,729 | 470 |
| Queen's Loyalty (2024) | 2,359 | 9 |
| The Queen's Quest (2023) | 115,203,834 | 52 |
| Queen's Quest 2: Stories of Forgotten Past (2016) | 126,039 | 337 |
| Queen's Quest 3: The End of Dawn (2017) | 102,653 | 296 |
| Queen's Quest 4: Sacred Truce (2018) | 106,865 | 265 |
| Queen's Quest 5: Symphony of Death (2019) | 242,318 | 243 |
| Queen's Quest: Tower of Darkness (2014) | 3,074,786 | 574 |
| Queen's Tales: Sins of the Past (2015) | 36,806 | 49 |
| Queen's Tales: The Beast and the Nightingale (2013) | 44,314 | 71 |
| Queen's Wish 2: The Tormentor (2022) | 62,251 | 483 |
| Queen's Wish: The Conqueror (2019) | 187,776 | 892 |
| Queen: The eYe (1998) | 21,296 | 24 |
| Queenchantment (2022) | 1,283 | 4 |
| The Queendom of Lithzena (2023) | 2,946 | 2 |
| Queendoom (2016) | 16,329 | 6 |
| Queeny Army (2019) | 195,635 | 132 |
| Queer Quest: All in a Gay's Work (2024) | 85 | 3 |
