Happy Mask
Linux, Windows
Happy Maze
Windows
Happy Mining
Happy Monster
Happy Neighbors
Happy New Year Clicker
Happy New Year, Zeliria!
Linux, macOS, Windows
Happy Numbers
Happy Oshare Time
Happy Penguin VR
Happy Pong
Happy Princess
Happy Puzzle
Happy Quest
Happy Room
Happy's Clocks
Happy's Humble Burger Barn
Scythe Dev Team
Happy's Humble Burger Farm
Nintendo Switch, PlayStation 4, Windows, and 2 more
HappySnowMan
Happy Stealing with Kirisame Marisa
Bawu Team
Happy Summer Holiday
macOS, Windows
Happy Summer Quest
Happy Tale
Happy toys
Happy Trails
Activision Publishing, Inc.
Happy Transportation
Happy Tree Friends: False Alarm
Xbox 360
Stainless Games
Happy Tree Friends: Milk Pong
Happy Tree Friends: Slap Happy
iOS
Happy Valentine's Day
Rosa Special Studio