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Top donatedthat last about a half-hour with code under GNU General Public License v3.0 (GPL) (54 results)

Explore games that last about a half-hour with code under GNU General Public License v3.0 (GPL) on itch.io · Upload your games that last about a half-hour with code under GNU General Public License v3.0 (GPL) to itch.io to have them show up here.

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Try to survive and perhaps eventually even tame an unknown planet in this incremental semi-idle game.
Survival
Play in browser
A solitary walk at night
A gamebook-style fantasy adventure for the 5th edition of the world's most popular tabletop RPG.
Role Playing
Play in browser
Escape and win a big prize... in real life! - Android and Linux: FREE
Adventure
Open-source Hollow Knight reimplementation via SPD engine.
Adventure
A cycle of sacrifice in tactical roguelike gameplay
Role Playing
[halted development]
Survival
Play in browser
True glitch horror; can you escape the digital clutches of the afflicted before your untimely deletion?
Survival
jake stepped out of his RV to once again meet with his brother
Adventure
Interactive fun with Mickey Mouse in Steamboat Willie. Share laughs, chat, and enjoy movie night together!"
Interactive Fiction
Navigate through the clouds and find the great flying whale. Student VRgame
Adventure
Enter a digital world of Real-Time Strategy and clean the grid!
Strategy
Wake up in a dark and lonely world with the only company of a child in search of her saving light.
Adventure
Venture into the catacombs, and pray it doesn't catch you
Adventure
Free Flight Simulator for LINUX with more than 50 WW2 Aircraft
Simulation
Memory is a sacred meat that's drying all the time
Adventure
Play in browser
A racing game that defies gravity and time.
Racing
A temporal tactical turn-based roguelike
Role Playing
Puzzle solving treasure hunt in low-poly world, filled with colorful tiny planets!
Puzzle
The classic Adventure game ported to MSX computer
Adventure
blood is everything
Card Game
2D Pixel art Puzzle Platformer Game inspired by '00 flash games.
Platformer
The Questions are Ridiculous; the Answers are Serious.
Puzzle
Play in browser
My soul left me behind, I have to get it back
Puzzle
A dating sim about coffee, art, and love!
Visual Novel
A pixelized top-down mega sandbox. Play or create solo / cooperative survival, team battle, and more !
Survival
A short horror game made for Go Godot Jam 3
An PvE auto battler game, where you place an army of birds, to fight an army of living textiles
Strategy
aka "Help! I'm an Ancient Egyptian Beekeeper!"
Educational
Play in browser
Battle your way through a fierce dungeon to escape!
A mashup of your favorite 80's classics, Tetris and Pipe Dream!
Puzzle
Play in browser
An homage to the classics which defined the RTS genre
Strategy
Guide an elemental in small puzzles
Puzzle
Play in browser
Raymarched exploration of floating-point errors in a metro tunnel.
Adventure
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