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Top free prototypetagged Open Source (253 results)

Explore prototype games tagged Open Source on itch.io · Upload your prototype games to itch.io to have them show up here.

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Free, fan-made, warrior cat clan generator and story building game.
Source of Mana is a 2D MMORPG developed within Godot 4 to provide a modern player experience in a vast online world.
Adventure
A stay on top window to be funny with for a while
Incremental minimalistic game with a dark story ...
Play in browser
Travel between cyberspace and the real-world. Created for Ludum Dare 30.
Shooter
Play in browser
An open source space fighter pilot game
Shooter
Build your ship and own the skies in this arcade/physics sandbox
Action
Play in browser
Shoot the robot virus
Shooter
Play in browser
Unofficial Hololive fangame, Platform Fighter prototype
Fighting
Puzzle about helping animals to find a home
Puzzle
Play in browser
Open source third person time trial shooter.
Shooter
An lone ant try to form it own super colony
Strategy
Play in browser
2D action retro platformer in 2 worlds
Platformer
Play in browser
Shooter
Play in browser
One more week of roguelike tutorial progress...
Role Playing
Play in browser
Mobile RTS-idler
Strategy
Play in browser
Escape the spooky hospital
Survival
Play in browser
Tiny swordfighting sim inspired by Die by the Sword
Action
Play in browser
Solve the case, find the murderer in this exciting murder mystery!
Interactive Fiction
Play in browser
Solve dungeon puzzles using Keys, love, Swords and Shields.
Puzzle
A free and open source puzzle game made with godot engine
Puzzle
Play in browser
A bullet hell shooter with meatballs - Open Jam 2018 Entry
Shooter
Play in browser
Save the lagoon from environmental catastrophe! #LudumDare47
Adventure
An autobattler game that may have something to do with chess
Card Game
Play in browser
A quest through the most dangerous field!
Role Playing
Play in browser
Help Batz find his love Batsie. Traverse a labyrinth without seeing it. Open Source for Windows/MacOS/Linux.
A tower defence game where you use time as a currency to build defences
Strategy
Don't drown!
Survival
Play in browser
Psychological hotline for mythical creatures 24/7
Educational
Play in browser
Schoolboy was late for schools and make his way to class
Action
Play in browser
An example drifting/racing game made with the Godot engine (sources available)
Racing
Narrative experience about humans and AI working together
Visual Novel
Play in browser
Spend a few days in the shoes of a depressive individual
Puzzle
A tiny, simple idler for the PlayDate
A text based survival sandbox.
Survival
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