Game category: Puzzle
Undead's Building
Rescue the residents of a zombie infected apartment by operating an elevator! The lives of the residents are in your hands!
Under the Warehouse
Explore the darkest corners of a mysterious building and its underground in search of a special egg!
Undergrave
Survive the Underworld with Strategy: Jump, Dash, and Thrive in Undergrave's Tactical Roguelike Challenge.
Underland: The Climb
Escape and dig to the Earth's surface in Underland: The Climb!
Understand
An experimental puzzle game about guessing rules. In each level, you have to figure out the rules through trial and error, then draw a line satisfying all rules.
Unforeseen Incidents
AN ADVENTURE ABOUT A CONSPIRACY AND A DEADLY VIRUS.
Unheard - Voices of Crime Edition
Listen to voices from the past to solve crimes!
Unicornicopia
Alone in the forest, a Unicorn wakes.
Unitied
Unitied is a minimalistic & relaxing puzzle game.
Unknown Fate
Travel in incredible worlds solving the puzzles around you and collect Richard’s lost memories.