- Ultimate Zombie Gun 2018
- Ultra Bounce - endless hopping
- Ultra Dash
- Ultra Reaction
- Ultra Sharp
- Ultra Zombies
- Ultra Zombies Alive
- Ultra Zombies World
- UltraBounce!
- Ultranium 4 - Breakout Shooter
- Ultranium3D
- Ulven
- Umbrella Drop!
- UMod: Ultimate Sandbox Online
- Unblock Puzzle Pro
- Unbreakable Blocks
- Uncap Energy Drink !
- Uncharted 4 Stickers
- Uncharted Territory VR
- Uncharted: The Lost Legacy Stickers
- UNCHI POTOPOTO GAME
- Undead Battlefield
- Idle Beauty - Offline Games
- Undead Catering
- Undead Dread
- Undead Horde
- Undead Shooting 3D
- Undead Squad
- Undead Walking
- Undead Walking Experiment
- Undead Walking
- Undead Zombie Assault VR
- Under Attack HD
- Under Attack!
- Under the Sea:Swim
- Under: Depths of Fear
- Undercover Police Car Shooting
- Undersea
- Underwater Animals Hunter
- Underwater Race!
- Underwater Shark Bounty Hunter-Era of Beast Slayer
- Underwater Shark Evolution
- Underwater Shark Simulator 3D
- Underwater Shooting
- Underwater Stealth Spy Game
- Underworld Hero Fight: Boxing
- Underwater Stealth Spy Game
- Underworld Hero Fight: Boxing
- Undisputed Champ
- Unfair Cat - Trap Dungeons
- Unfair Checkers
- Unfinished Mission
- Unforgiving
- Unicorn Dash 2019 Ultimate
- Unicorn dash : Magical Sky run
- Unicorn Flap
- Unicorns on Unicycles
- Unicycle 4D
- UnifyGames
- Unimime - Unicycle Madness
- Uninvited: MacVenture
- Unique War Survivor Game
- Unison League
- Unite & Clash
- Unite Guide
- Unity Run
- Unity.Run()
- UnityChanRun-RunGame Action