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Top freethat last about a half-hour with code under GNU General Public License v3.0 (GPL) (377 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
Recreates the classic Command & Conquer titles with a Free/Libre engine.
Strategy
Open Source Pixelart Sci-Fi Real Time Strategy Game
Strategy
An unfolding incremental game.
Simulation
Play in browser
Insert plugs into organized patterns in this electrifying puzzle game!
Puzzle
Play in browser
Multiplayer RTS
Strategy
A city building simulation game
Simulation
Sci-fi relationship simulation - can your space colony and your love survive?
Visual Novel
A polynomial growth incremental game that updates with time
Play in browser
Rogue A.I. Simulator
Strategy
[halted development]
Survival
Play in browser
Naev is a 2d action/rpg space game that combines elements from the action, rpg and simulation genres.
Role Playing
A puzzle game featuring romance, explosions, and daytime television.
Puzzle
Play in browser
A game written in x86 Assembly.
Memory is a sacred meat that's drying all the time
Adventure
Play in browser
Living on borrowed time...
Visual Novel
Play in browser
A solitary walk at night
Spaceflight programming adventure
Simulation
A Dating Sim where you date Temmies from Undertale
Visual Novel
True glitch horror; can you escape the digital clutches of the afflicted before your untimely deletion?
Survival
Wake up in a dark and lonely world with the only company of a child in search of her saving light.
Adventure
The Questions are Ridiculous; the Answers are Serious.
Puzzle
Play in browser
An interactive fiction dark game about not giving up.
Interactive Fiction
A tic-tac-toe within a tic-tac-toe
Puzzle
Play in browser
Escape and win a big prize... in real life! - Android and Linux: FREE
Adventure
Putting the role-playing back into the role-playing game.
Role Playing
Raymarched exploration of floating-point errors in a metro tunnel.
Adventure
A pixelized top-down mega sandbox. Play or create solo / cooperative survival, team battle, and more !
Survival
A personality quiz where we discover YOU.
Interactive Fiction
Play in browser
A feel-good lesbian romance visnov. Play as a fox spirit getting rizzed by a cute human girl.
Visual Novel
Play in browser
Open-source Hollow Knight reimplementation via SPD engine.
Adventure
Classic BASIC Online Interpreter
Educational
Play in browser
Puzzle solving treasure hunt in low-poly world, filled with colorful tiny planets!
Puzzle
Join this 11-year-old boy's time traveling adventure. A point-and-click puzzle game.
Puzzle
Survive in a harsh landscape after an unknown disater.
Play in browser
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