Immersive single-player experiences without subscriptions or always-online requirements.
1016 games in this category
Immersive single-player experiences without subscriptions or always-online requirements. Browse our curated collection of free, open-source games. All games feature publicly available source code, allowing you to learn, modify, and contribute to their development.
♞ lichess.org: the forever free, adless and open source chess server ♞
Space exploration, trading, and combat game.
:bird: :video_game: A MelonJS port of the famous Flappy Bird Game
Multiplayer top-down shooter made from scratch in C++. Web version: https://play.hypersomnia.io Made in 🇵🇱
Infinite Mario in HTML5 JavaScript - using Canvas and Audio elements
Fight off hordes of classic medieval monsters in this fast paced arcade shooter!
Solitaire mahjong game with several themes and layouts. For android/iphone/ubuntu/firefoxos
Custom Tetris - The GitHub Game Off 2013 submission. Modular Tetris game that offers configurable sides and mu...
:recycle: Hyperspace Garbage Collection - A product of General Hyperspace Waste Management Solutions.
An experimental p2p multiplayer game made in HTML5/Phaser using WebRTC in 48 hours for Ludum Dare
HTML5 canvas game where you defeat enemies by wrapping enemies in your trail
Captain Rogers: Asteroid Belt of Sirius - HTML5 mobile game created using ImpactJS
Imagine, what if the cure exists? What if zombies plague can be stoped? Explore old, abandoned graveyard, heal...
A sweet little webgame, which showcases and pioneers a few interesting new technologies!
Protocol 390: To survive in People's Park, you must supply the prophet with change. Entry for 2013 GitHub Game...
A classic shoot 'em up game build with the Three.js library.
Yes! Single-player open-source games typically work fully offline. No internet connection required after downloading, and no DRM restrictions.
Game length varies widely. Some offer quick play sessions while others provide dozens of hours of content. Many have high replayability due to procedural generation or modding support.
Absolutely! Open-source games are perfect for modding. With full source code access, you can modify anything from game balance to adding entirely new content.
Browse our complete collection of 2000+ open-source games or explore other categories.