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Topfor Windows with code under GNU General Public License v3.0 (GPL) (2,131 results)

Explore games for Windows with code under GNU General Public License v3.0 (GPL) on itch.io · Upload your games for Windows with code under GNU General Public License v3.0 (GPL) to itch.io to have them show up here.

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An open source turn based strategy game.
WesnothVerified Account
Strategy
A roguelike dungeon crawler RPG that's simple to get into but hard to master!
Role Playing
A fan recreation of http://runouw.com's classic flash game based on Super Mario 64!
Platformer
Play in browser
RetroArch is a frontend for emulators, game engines and media players.
Soft Body Physics Simulator
Simulation
A demake of Terraria, in PICO-8!
Action
Play in browser
A go kart racing game featuring Tux & Friends
Racing
Recreates the classic Command & Conquer titles with a Free/Libre engine.
Strategy
​Hub OS is an online Mega Man Battle Network fan project that takes place on interconnected servers, or Hubs.
A clone of the infamous game
Educational
Play in browser
Shimeji desktop pet runner
Train Simulator written in Godot Engine - Free for everyone
Simulation
Hedon is an old school FPS/adventure game running on the GZDoom Engine.
Shooter
Multiplayer RTS
Strategy
Planet and terraforming simulation game
Simulation
Play in browser
Game maker inspired by 16-bit Sonic
Platformer
Pirate and age-of-sail RPG
Role Playing
Dungeon management and roguelike
Strategy
Thrive
$4.99
An open source game about evolution
Simulation
A city building simulation game
Simulation
Free Cyberpunk/Retrowave FPS Adventure game
Adventure
A fake operating system interface created in Godot!
Simulation
Play in browser
A Touhou fangame made with the PICO-8 fantasy console.
Play in browser
Break bricks, catch coins, upgrade, repeat for 7 levels without loosing your one ball.
Action
Play in browser
Use your movement keys as platforms to progress
Platformer
Play in browser
a pico-8 voxel shmup
Shooter
Play in browser
Highly compatible N64 emulator
An isometric, 2D, dark fantasy action RPG.
Role Playing
A fast-paced retro FPS inspired by SNES/Genesis era run-and-gun!
Shooter
A 3D puzzle game about rescuing Robots stranded in outer space.
Puzzle
A game of lonely space adventure. http://pioneerspacesim.net/
Simulation
A Non-Profit Math Puzzle Game
Puzzle
Sci-fi relationship simulation - can your space colony and your love survive?
Visual Novel
Open Source Pixelart Sci-Fi Real Time Strategy Game
Strategy
A survival horror where your pursuers are pretty and plastic.
Survival
An Open-Source Cell Machine remake with mechanics to make interesting puzzles.
Puzzle
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