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Topwith code under GNU General Public License v3.0 (GPL) (3,043 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.
Soft Body Physics Simulator
Simulation
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.
Multiplayer RTS
Strategy
An escape room mystery. Can you escape your chains before the killer strikes again?
Interactive Fiction
Play in browser
A Touhou fangame made with the PICO-8 fantasy console.
Play in browser
Game maker inspired by 16-bit Sonic
Platformer
Train Simulator written in Godot Engine - Free for everyone
Simulation
a platformer game for the NES with ability copying and puzzles
Platformer
Shimeji desktop pet runner
A clone of the infamous game
Educational
Play in browser
Thrive
$4.99
An open source game about evolution
Simulation
Dungeon management and roguelike
Strategy
Sci-fi relationship simulation - can your space colony and your love survive?
Visual Novel
Free Cyberpunk/Retrowave FPS Adventure game
Adventure
A game of lonely space adventure. http://pioneerspacesim.net/
Simulation
Use your movement keys as platforms to progress
Platformer
Play in browser
Pirate and age-of-sail RPG
Role Playing
An unfolding incremental game.
Simulation
Play in browser
Hedon is an old school FPS/adventure game running on the GZDoom Engine.
Shooter
Test your Japanese Mahjong tile efficiency!
Educational
Play in browser
A 3D puzzle game about rescuing Robots stranded in outer space.
Puzzle
A flirtatious, polyculous Game Boy adventure!
Adventure
Play in browser
An isometric, 2D, dark fantasy action RPG.
Role Playing
Open Source Pixelart Sci-Fi Real Time Strategy Game
Strategy
Spend a week in someone else's shoes.
Visual Novel
Play in browser
Break bricks, catch coins, upgrade, repeat for 7 levels without loosing your one ball.
Action
Play in browser
A survival horror where your pursuers are pretty and plastic.
Survival
A Non-Profit Math Puzzle Game
Puzzle
A spectre is haunting the planet Earth...
Shooter
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