| Project Speed 2 (2023) | 7,431 | 20 |
| Project Starcrash (2024) | 267 | 2 |
| Project Starship (2016) | 53,242 | 290 |
| Project Starship X (2020) | 727,520 | 398 |
| Project Stealth Fighter (1987) | 11,024 | 8 |
| Project Stocks (2023) | 33 | 1 |
| Project Stormos (2011) | 908 | 4 |
| Project Sundown (2022) | 234 | 2 |
| Project Survivor (2022) | 17,792 | 10 |
| Project SWARM: Drone Space Exploration Program (2024) | 0 | 0 |
| Project Sylpheed (2006) | 487,740 | 332 |
| PROJECT TACHYON (2025) | 12,157 | 48 |
| Project Terminus VR (2021) | 566,567 | 250 |
| Project TERRA (2024) | 28,035 | 12 |
| Project Timi: Sasha's Curse (2023) | 10,057 | 16 |
| Project Tokyo Dolls (2017) | 5,055,675 | 2,123 |
| Project Torque (2008) | 936,905 | 376 |
| Project Tower (2025) | 624,783 | 385 |
| Project UNSEEK (2023) | 13,729 | 13 |
| Project Utgardr (2023) | 2,363 | 11 |
| Project Vesperi (2025) | 13,590 | 29 |
| Project Warlock (2018) | 4,417,646 | 3,542 |
| Project Warlock II (2022) | 1,635,797 | 804 |
| Project Werewulf (2025) | 37,971 | 8 |
| Project Wingman (2020) | 21,236,440 | 11,806 |
| Project Winter (2019) | 204,766,137 | 19,976 |
| Project Witchstone (2019) | 17,453 | 21 |
| Project Wunderwaffe (2022) | 623,223 | 406 |
| Project X Zone (2012) | 18,257,581 | 4,125 |
| Project X Zone 2 (2015) | 22,700,344 | 2,927 |
| Project Xandata (2022) | 169,325 | 77 |
| Project XSTING (2024) | 11 | 3 |
| Project Zomboid (2011) | 1,252,229,715 | 211,524 |
| Project-X (1992) | 10,725,959 | 1,099 |
| Project: AHNO's Ark (2024) | 13,484 | 17 |
| Project: Aurora (2025) | 68,276 | 56 |
| Project: Gorgon (2018) | 1,216,281 | 700 |
| Project: Horned Owl (1996) | 43,875 | 63 |
| Project: ICARUS (2025) | 0 | 0 |
| Project: Maidenless (2022) | 0 | 0 |
| Project: Mist (2025) | 448,533 | 175 |
| Project: Nightlight (2023) | 7,462 | 22 |
| PROJECT: PLAYTIME (2022) | 605,523,861 | 16,205 |
| PROJECT: RUN (2019) | 8,341 | 19 |
| Project: Snowblind (2007) | 2,313,497 | 923 |
| Project: SnowBound (2024) | 0 | 0 |
| Project: Space Ranger (2024) | 0 | 0 |
| Project: Stellar Girls (2024) | 75 | 1 |
| Project: Swap (2022) | 12 | 2 |
| Project:EagleBeak (2022) | 0 | 0 |
| PROJECT;HYPATIOS (2023) | 915 | 13 |
| Projected Dreams (2025) | 54,290 | 101 |
| Projection: First Light (2019) | 319,696 | 369 |
| PROJECTIONS (2021) | 16,694,627 | 1,770 |
| Projectyle (1990) | 8,225 | 31 |
| project_Structure_01 (2025) | 2,259 | 5 |
| Projekt Prometheus (1991) | 497 | 4 |
| Projekt Z: Beyond Order (2025) | 233,758 | 62 |
| Promenade (2024) | 3,902,780 | 498 |
| Promesa (2020) | 1,735,346 | 170 |
| Prometheus Unbound (2024) | 33,794 | 5 |
| Prominence (2015) | 1,136,377 | 332 |
| Prominence Poker (2016) | 4,229,209 | 8,028 |
| The Promise of Haruhi Suzumiya (2007) | 13,460 | 77 |
| Promise with My Sister (2024) | 1 | 1 |
| Prompt (2015) | 1,964,621 | 231 |
| Pronty (2021) | 954,488 | 903 |
| Proof of Destruction (1986) | 8,260 | 18 |
| Prop and Seek (2020) | 72,330,219 | 2,779 |
| Prop Cycle (1996) | 189,503 | 80 |
| Prop Hunt 2.0 (2022) | 14,517 | 6 |
| Propagation VR (2020) | 3,766,147 | 1,042 |
| Propagation: Paradise Hotel (2023) | 2,578,742 | 1,777 |
| Prophan Escape (2024) | 33 | 3 |
| Prophecrawl (2025) | 0 | 0 |
