- USA Puzzle • Geography
- Ubi's Dimensions
- Ubongo – Puzzle Challenge
- UDLR:SWIPE
- UeharaPuzzle
- UFO Puzzle
- UFO Storm - Corn Raid Lite
- Uh Oh! - Avoid all traps
- Ukiyoe Jigsaw Puzzle
- Ukodus Crazy
- Ulkoläksyt
- Ulol - Tagalog Logic & Trivi
- Ulterior
- UlterioSafari
- Ultimate 2048 Match3
- Ultimate Block Puzzle Solver
- Ultimate Color Ball Brain game
- Ultimate Crosswords HD
- Ultimate Jewel
- Ultimate Jewel - Pop Star Master
- Ultimate Jewel 2 Tutankhamun
- Ultimate Jewel Star Quest Saga 4 : Match 3 Pro Hd Free Game
- Ultimate Jewel: Match3 Daimon
- Ultimate Mastermind HD
- Ultimate MineSweeper - LV 1000 -
- Ultimate Plane Paths
- Ultimate Puzzle Games
- Ultimate Quiz for CS:GO & CS2
- Ultimate Reversi
- Ultimate Room Escape 1
- Ultimate Room Escape 2
- Ultimate Snake
- Real Driving Car Simulator 3D
- Ultimate Trivia - Guess The Dog Breed
- Ultimate Trivia - Guess The Rappers
- Ultimate Weed Trivia
- Ultimate Word Search!
- Ultimate_Sudoku
- Ultimatum: Casting
- Ultra Ball Flow
- Ultra Sharp
- Umbers
- Umbrella Falling Hardest - Parachute in the sky
- Umiro
- Unbalance
- Unbeatable TicTacToe
- UNBLOCK
- Block Out Masters
- 木块华容道 - 帮助智力开发的游戏
- Unblock - logic puzzles
- Unblock - Number Game
- Unblock 2 - let me out
- Unblock 2 Escape
- Unblock 3D: Draw Cube Square
- Unblock Ball
- Unblock Ball - Block Puzzle
- Unblock Ball - Puzzle Game
- Unblock Ball - Rolling Game
- Unblock Ball : Block Puzzle
- Unblock Ball : Puzzle Game
- Unblock Bar - Slide and free the puzzle blocks
- Unblock Block Puzzle Game
- Unblock Block!
- Unblock Board HD
- Unblock Brain - Logic puzzles HD
- Unblock Car !
- Unblock Car - Around The World
- Unblock Car : Puzzles Game
- Unblock Car: 3D Parking Puzzle