- 123 Fun Memo Cards
- Ubongo – Puzzle Challenge
- UK Trivia Extension
- UKNO
- Ultimate Cribbage: The Classic
- Ultimate Dice Roller
- Ultimate Dice Wars: Reborn
- Ultimate Hangman Go
- Ultimate Jewel
- Ultimate Jewel 2 Tutankhamun
- Ultimate Mastermind HD
- Ultimate MineSweeper - LV 1000 -
- Ultimate Peg Solitaire
- Ultimate Puzzle Games
- Ultimate Reversi
- Ultimate Reversi King
- Ultimate Tic Tac Toe
- Ultimate Tic Tac Toe ll
- Ultimate Tic Tac Toe!
- Ultimate Word Search Go
- UltraQuestLog
- ULU - Ultimate Lookup Utility
- Ummah Quizz
- One For How Much
- Unbeatable TicTacToe
- Block Out Masters
- Unblock - Number Game
- Unblock 2 Escape
- Unblock Ball
- Unblock Ball - Block Puzzle
- Unblock Ball - Rolling Game
- Unblock Ball : Block Puzzle
- Unblock Fire Truck - Move Out The Parking Road
- Unblock Frog - Brain Games
- Unblock it! Red car
- Unblock it! Red car. (ad-free)
- Unblock Love Balls : Push Box
- Unblock Me
- Unblock Me Block Puzzle Games
- Unblock Me Premium
- Unblock My Car Puzzle Game - เกมส์ฝึกสมอง เกมฟรี
- Unblock My Christmas Candy
- Unblock Party
- Unblock Red - Block Puzzle
- Unblock Slide Puzzle - Free Slide Block Bloxx Puzzle
- Unblock Sliding Block Puzzle Game
- Unblock Space - Swoopy Me Edition
- Unblock The Blocks
- Unblock The Field Puzzle
- Unblock the gold bar! Unlock
- Unblock the Ice! - sliding puzzle
- Unblock the Orange Car!
- Unblock To tem HD
- Unblock Wood
- Unblock! - sliding puzzles
- UnBlock.
- Uncle Monty's Bingo
- UncleBill
- Uncle Monty's Bingo
- UncleBill
- Undefeated Champions Of Chess
- Under Construction Ext
- Undersea Mahjong
- Underworlds Helper
- Undrop!
- Unfair Checkers
- Unfair Reversi
- Unfold Me
- Unicorn Pastel Color by Number
- United Numbers
- United States Puzzle
- Universal Battle 2
- Unlock Block
- Unblock Wood Block Puzzle game
- Unlock Red Block Free : Slide Block
- Unlock the King
- Unlock!
- Uno Blitz
- Uno Card Game
- Unroll Ball - Rolling Ball
- Unblock The Ball Out Me Slots
- Unroll Me 2
- Unroll Me®
- Untangle Jewels™
- Until Daylight
- Up and Down the River