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Top freefrom 2021 tagged Open Source (303 results)

Explore games from 2021 tagged Open Source on itch.io · Upload your games from 2021 to itch.io to have them show up here.

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An easy-to-use level design tool.
Platformer
Empires Ascendant is a free, open-source, historical Real Time Strategy (RTS) game by Wildfire Games.
Strategy
Expertly retrieve important luggage that has found it's way onto the wrong flight.
Puzzle
Play in browser
A grand strategy game, revolving around political intrigue and ancient evils
Strategy
Feel the awesome power of 60FPS 3D racing!
Racing
Play in browser
Clicker game made for ludum dare 49
Play in browser
Therapy Through Nightmares
Card Game
Play in browser
Holy Helltaker inspired game
Puzzle
Play in browser
Play a rhythm game in your Ren'Py Visual Novel game!
Rhythm
Puzzle about helping animals to find a home
Puzzle
Play in browser
A hard-as-nails platforming collectathon!
Platformer
Play in browser
A simple dwarf cannot comprehend the vastness of space.
Puzzle
Play in browser
Typing Tower Defense in Japanese or English
Play in browser
A homebrew Game Boy Advance game made for GBA Jam 2021.
Shooter
Printed Circuit Board Design Puzzler
Puzzle
Play in browser
Short visual novel with a lion protagonist
Visual Novel
Summon one of the ancient gods before his cult is arrested by the police
Play in browser
"It's all coming together now..."
Puzzle
Airdrop into an enemy stronghold, recover stolen intelligence and technology. Fight your way out.
Platformer
Play in browser
4KB Typing Infinite Runner
Survival
Play in browser
Short clicker/idle game where you pollute and consume!
Simulation
Play in browser
Tactical horror roguelike
Strategy
Play in browser
Toss a coin! Catch it, but with impeccable timing!
Rhythm
Bouncy platformer for Game Boy Color and Analogue Pocket
Platformer
A text based survival sandbox.
Survival
Protect a small planet from invasors
Strategy
Play in browser
Puzzle
Play in browser
A trump-supporting car game where you encounter the weirdest things ever.
Racing
Play in browser
A cell based physics sandbox simulation
Simulation
Play in browser
A metroidvania platformer about a spider
Action
Endless runner where you match colors while jumping between platforms
Platformer
Play in browser
Build a spaceship to defend against increasingly strong waves of aliens.
Strategy
Play in browser
Fast-paced puzzle game for every PC since the IBM 5150
Puzzle
An lone ant try to form it own super colony
Strategy
Play in browser
modular synth inspired robot game
Puzzle
Play in browser
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