- Unslice
- Unsolved
- Unsolved: Hidden Mystery Games
- Unspeakable Lite
- Unspeakable Party Game
- Unspeakable Talk
- Unstaball: Catch It & Throw It
- Unstable!
- UnStack.io
- Unstoppable
- Unstoppable Limo Car Stunts
- UnStoppable!.
- Unsung Heroes: The Golden Mask
- UNSW Colour Vision Suite
- Untamed ARena
- Untangle - logic games
- Untangle 2D
- Untangle 3D!
- Untangle Jewels™
- Untangle. Rings and Lines
- Untie the knots - Art of ropes
- Untie The Rope!!
- Until Dawn™: Your Companion
- Until Daylight
- Until Dead - Think to survive
- Untitled Cat King
- Untitled Escape
- Untitled Escape 2
- Eldrum: Untold - Text RPG
- UnWrinkle
- UNWYND
- Unzipper 3D
- UORiS
- Up & Down : Colors Game