| Project Rot (2026) | 0 | 0 |
| Project RTD: Random Tower Defense PvP (2020) | 3,211 | 4 |
| Project RyME (2024) | 8 | 2 |
| Project S-11 (2001) | 62,540 | 88 |
| Project SARA (2026) | 0 | 0 |
| Project SEVER (2026) | 0 | 0 |
| Project Shoreline (2024) | 22,137 | 38 |
| Project Silverfish (2025) | 369,955 | 231 |
| Project SJHG (2024) | 42 | 1 |
| Project Soulflow (2024) | 0 | 0 |
| Project Space Station (1985) | 10,362 | 25 |
| Project Spark (2014) | 18,303,158 | 2,275 |
| Project Sparrow (2022) | 396,982 | 93 |
| Project Speed 2 (2023) | 7,431 | 20 |
| Project Starcrash (2024) | 267 | 2 |
| Project Starship (2016) | 59,643 | 295 |
| Project Starship X (2020) | 728,123 | 399 |
| Project Stealth Fighter (1987) | 11,355 | 12 |
| Project Stocks (2023) | 33 | 1 |
| Project Stormos (2011) | 908 | 4 |
| Project Sundown (2022) | 234 | 2 |
| Project Survivor (2022) | 17,851 | 11 |
| Project SWARM: Drone Space Exploration Program (2024) | 0 | 0 |
| Project Sylpheed (2006) | 494,878 | 342 |
| PROJECT TACHYON (2025) | 16,342 | 49 |
| Project Terminus VR (2021) | 568,653 | 252 |
| Project TERRA (2024) | 28,039 | 12 |
| Project Thea (2025) | 0 | 0 |
| Project Three (2025) | 0 | 0 |
| Project Timi: Sasha's Curse (2023) | 10,057 | 16 |
| Project Tokyo Dolls (2017) | 5,073,458 | 2,139 |
| Project Torque (2008) | 938,910 | 381 |
| Project Tower (2025) | 624,895 | 388 |
| Project TurboBlast (2026) | 766 | 2 |
| Project UNSEEK (2023) | 13,772 | 14 |
| Project Utgardr (2023) | 2,363 | 11 |
| Project Vesperi (2025) | 30,595 | 65 |
| Project Warlock (2018) | 4,556,655 | 3,751 |
| Project Warlock II (2022) | 1,676,400 | 1,040 |
| Project Werewulf (2025) | 72,818 | 18 |
| Project Wingman (2020) | 22,016,987 | 12,468 |
| Project Winter (2019) | 206,185,829 | 20,729 |
| Project Witchstone (2019) | 17,453 | 21 |
| Project Wunderwaffe (2022) | 623,230 | 406 |
| Project X Zone (2012) | 18,728,755 | 4,348 |
| Project X Zone 2 (2015) | 22,933,272 | 3,263 |
| Project X: Light Years (2025) | 18,042 | 83 |
| Project Xandata (2022) | 169,351 | 77 |
| Project XSTING (2024) | 11 | 3 |
| Project Zomboid (2011) | 1,356,855,941 | 235,204 |
| Project-X (1992) | 10,771,330 | 1,138 |
| Project: AHNO's Ark (2024) | 13,492 | 18 |
| Project: Aurora (2025) | 104,711 | 58 |
| Project: Gorgon (2018) | 1,607,224 | 944 |
| Project: Haste (2026) | 0 | 0 |
| Project: Horned Owl (1996) | 44,084 | 67 |
| Project: ICARUS (2025) | 0 | 0 |
| Project: Maidenless (2022) | 0 | 0 |
| Project: Mist (2025) | 1,754,554 | 371 |
| Project: Nightlight (2023) | 7,462 | 22 |
| Project: Nova (2025) | 61 | 2 |
| PROJECT: PLAYTIME (2022) | 609,050,737 | 16,412 |
| PROJECT: RUN (2019) | 8,341 | 19 |
| Project: Snowblind (2007) | 2,318,976 | 946 |
| 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) | 64,429 | 137 |
| Projection: First Light (2019) | 319,875 | 376 |
| PROJECTIONS (2021) | 17,395,685 | 1,938 |
| Projectyle (1990) | 8,246 | 32 |
| project_Structure_01 (2025) | 23,095 | 10 |
