| Title | Year | Genre |
|---|---|---|
| u evade | 2021 | Other |
| U-BOOT The Board Game | 2019 | Other |
| U-ena -Far fireworks- | 2022 | Adventure |
| U.F.O. K.O. Tower Defense | 2021 | Action |
| U.N.P.O.C. Vessel of Opportunity | 2025 | Adventure |
| U27RA R3Z0NANC3 | 2021 | Other |
| Uagi-Saba | 2018 | Other |
| Uagi-Saba 2 | 2025 | Other |
| UAL - Universal AIM League | 2022 | Action |
| UAYEB - The Dry Land | 2018 | Action |
| Ubaste | 2022 | Other |
| Uber Destruction | 2024 | Action |
| Uber Urban | 2025 | Strategy |
| UBERCOLD | 2019 | Action |
| Uberlaufer | 2021 | Action |
| Ubermensch | 2024 | Action |
| UBERMOSH | 2015 | Action |
| UBERMOSH Vol.3 | 2016 | Action |
| UBERMOSH Vol.5 | 2017 | Action |
| UBERMOSH Vol.7 | 2019 | Action |
| UBERMOSH:BLACK | 2016 | Action |
| UBERMOSH:OMEGA | 2019 | Action |
| UBERMOSH:SANTICIDE | 2018 | Action |
| UBERMOSH:WRAITH | 2017 | Action |
| UberSoldier | 2024 | Action |
| UberSoldier II | 2014 | Action |
| Ubinota | 2015 | Other |
| Ubiquitous | 2024 | Adventure |
| Ubirajara | 2021 | Adventure |
| UBOAT | 2024 | Action |
| UBOAT - The Silent Wolf VR | 2024 | Other |
| Uboat Attack | 2025 | Action |
| UC KART | 2021 | Racing |
| UC Love | 2023 | RPG |
| UC SIM ～unity-chan simulator～ | 2022 | Other |
| UCOPIA | 2025 | Other |
| Ucube Avcıları | 2023 | Adventure |
| UDO | 2024 | Adventure |
| UDONGEIN X | 2021 | Action |
| UE5 Shooter Game | 2021 | Action |
| Uebergame | 2015 | Action |
| UEBERNATURAL - The Video Game - Prologue | 2021 | Action |
| uFactory | 2019 | Strategy |
| Ufflegrim | 2020 | Adventure |
| UFHO2 | 2015 | Strategy |
| UFindO | 2023 | Other |
| UFO | 2024 | Other |
| UFO - Afterlight | 2014 | Strategy |
| UFO - Aftermath | 2014 | Strategy |
| UFO - Aftershock | 2014 | Strategy |
