Incremental games that play themselves while you watch numbers go up.
Incremental games that play themselves while you watch numbers go up. 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.
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Browse all categoriesIdle games tap into our desire for progression and optimization. The constant growth and upgrade systems provide satisfying feedback loops that keep players engaged.
Yes! With source code access, you can modify progression rates, add new features, or create entirely new upgrade trees. Many idle games are written in JavaScript, making modding accessible.
Many open-source idle games support offline progress, calculating gains when you return. Check each game's features as implementation varies.
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