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Topwith code under GNU General Public License v3.0 (GPL) (2,995 results)

Explore games with code under GNU General Public License v3.0 (GPL) on itch.io · Upload your games 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
A demake of Terraria, in PICO-8!
Action
Play in browser
RetroArch is a frontend for emulators, game engines and media players.
A go kart racing game featuring Tux & Friends
Racing
Soft Body Physics Simulator
Simulation
A game of lonely space adventure. http://pioneerspacesim.net/
Simulation
An escape room mystery. Can you escape your chains before the killer strikes again?
Interactive Fiction
Play in browser
Recreates the classic Command & Conquer titles with a Free/Libre engine.
Strategy
A clone of the infamous game
Educational
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
Multiplayer RTS
Strategy
Engine & game inspired by 16-bit Sonic
Platformer
An unfolding incremental game.
Simulation
Play in browser
Thrive
$4.99
An open source game about evolution
Simulation
Train Simulator written in Godot Engine - Free for everyone
Simulation
Shimeji desktop pet runner
Open Source Pixelart Sci-Fi Real Time Strategy Game
Strategy
Use your movement keys as platforms to progress
Platformer
Play in browser
Free Cyberpunk/Retrowave FPS Adventure game
Adventure
Dungeon management and roguelike
Strategy
Hedon is an old school FPS/adventure game running on the GZDoom Engine.
Shooter
Resource-gathering & space exploration game
Simulation
Play in browser
a platformer game for the NES with ability copying and puzzles
Platformer
A 3D puzzle game about rescuing Robots stranded in outer space.
Puzzle
Test your Japanese Mahjong tile efficiency!
Educational
Play in browser
A spectre is haunting the planet Earth...
Shooter
HaachamaWare: The Game!
Action
Play in browser
​Hub OS is an online Mega Man Battle Network fan project that takes place on interconnected servers, or Hubs.
Naev is a 2d action/rpg space game that combines elements from the action, rpg and simulation genres.
Action
A puzzle game featuring romance, explosions, and daytime television.
Puzzle
Play in browser
A Non-Profit Math Puzzle Game
Puzzle
A fast-paced retro FPS inspired by SNES/Genesis era run-and-gun!
Shooter
SCP Containment Breach
Adventure
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