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Topwith code under GNU General Public License v3.0 (GPL) (3,570 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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A go kart racing game featuring Tux & Friends
Racing
A roguelike dungeon crawler RPG that's simple to get into but hard to master!
Role Playing
An open source turn based strategy game.
WesnothVerified Account
Strategy
A fan recreation of http://runouw.com's classic flash game based on Super Mario 64!
Platformer
Play in browser
​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
Furdoom
Action
A demake of Terraria, in PICO-8!
Action
Play in browser
Soft Body Physics Simulator
Simulation
Recreates the classic Command & Conquer titles with a Free/Libre engine.
Strategy
RetroArch is a frontend for emulators, game engines and media players.
Shimeji desktop pet runner
Multiplayer RTS
Strategy
An escape room mystery. Can you escape your chains before the killer strikes again?
Interactive Fiction
Play in browser
Open Source Pixelart Sci-Fi Real Time Strategy Game
Strategy
a platformer game for the NES with ability copying and puzzles
Platformer
A Touhou fangame made with the PICO-8 fantasy console.
Play in browser
Planet and terraforming simulation game
Simulation
Play in browser
Train Simulator written in Godot Engine - Free for everyone
Simulation
Free Cyberpunk/Retrowave FPS Adventure game
Adventure
Highly compatible N64 emulator
A game where the Hetalia crew tells stories that seem scary but aren't really.
Visual Novel
Play in browser
An isometric, 2D, dark fantasy action RPG.
Role Playing
Thrive
$4.99
An open source game about evolution
Simulation
Game maker inspired by 16-bit Sonic
Platformer
Use your movement keys as platforms to progress
Platformer
Play in browser
Hedon is an old school FPS/adventure game running on the GZDoom Engine.
Shooter
Dungeon management and roguelike
Strategy
a pico-8 voxel shmup
Shooter
Play in browser
Test your Japanese Mahjong tile efficiency!
Educational
Play in browser
Naev is a 2d action/rpg space game that combines elements from the action, rpg and simulation genres.
Action
Break bricks, catch coins, upgrade, repeat for 7 levels without loosing your one ball.
Action
Play in browser
A community-made 86:Eighty Six fan game in early alpha.
Action
A 3D puzzle game about rescuing Robots stranded in outer space.
Puzzle
Free open source racing game for Windows, OSX and Linux.
Racing
Resource-gathering & space exploration game
Simulation
Play in browser
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