Games starting with U
- UBOAT
- UFO 50
- UFO: Enemy Unknown
- Ultima Online
- Ultima Ratio Regum
- Ultima VII
- Ultimate Custom Night
- Ultimate Epic Battle Simulator
- Ultimate General: Civil War
- Ultimate General: Gettysburg
- Ultimate Marvel Vs. Capcom 3
- Ultralight Beam
- Umbrella Corps
- Umineko: Golden Fantasia
- Unavowed
- Unbound: Worlds Apart
- Uncanny Valley
- Undead Horde
- Under A Porcelain Sun
- Under Leaves
- UNDER NIGHT IN-BIRTH Exe:Late[st]
- Under What?
- Underhero
- Undermine
- Underrail
- Underrail: Expedition
- Undertale
- Underworld Ascendant
- UnDungeon
- Undying
- UnEpic
- Unexplored
- Unexplored 2: The Wayfarer's Legacy
- Unforeseen Incidents
- Unheard
- Unholy
- Unity
- Unity Of Command
- Universal Windows Platform
- Universally Loved
- Universe Sandbox
- Universe Sandbox ²
- Unloved
- Unmechanical
- Uno
- Unrailed!
- Unravel
- Unravel 2
- Unreal
- Unreal Tournament
- UnReal World
- Unrest
- Unruly Heroes
- Unseen Diplomacy
- Unstoppable Gorg
- Unsung Warriors
- Untitled Goose Game
- Unturned
- Unworthy
- Uplink
- Urban Dead
- Urban Empire
- Urban Explorer
- Urban Pirate
- Utomik
- Utsvulten
- Uurnog
- Uurnog Uurnlimited