Open source 2d-game-engine projects

Every project in the registry tagged 2d-game-engine, ranked by real GitHub adoption.

projects 3 combined stars ★ 38K refresh nightly
01 GDevelop ★ 27K

Create 2D and 3D games without coding, powered by AI assistance

last push12 hours ago languageJavaScript license—
02 melonJS ★ 6.4K

a modern & lightweight HTML5 game engine

last push6 hours ago languageJavaScript licenseMIT
03 FXGL ★ 4.9K

Java / JavaFX / Kotlin Game Library (Engine)

last push42 hours ago languageKotlin licenseMIT

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Frequently asked questions

How many open source 2d-game-engine projects are there?

This registry tracks 3 projects tagged 2d-game-engine, with 38,401 GitHub stars between them. The most-adopted is GDevelop at 27,136 stars.

Are these 2d-game-engine projects free to use?

Yes — 2 of the 3 carry an explicit open-source licence across 1 distinct licence, so there is no licence fee. Where a project also sells a hosted or enterprise version, the self-hosted path remains free.

Which 2d-game-engine project should I choose?

The list above is ranked by GitHub stars, but stars measure attention rather than fit. Check three things on each card: the licence (permissive versus copyleft), the language it is written in, and the last-push date — a high-star project that has not been pushed in a year is a liability.

Are these 2d-game-engine projects still maintained?

3 of the 3 were pushed in the last 90 days, and every card shows its exact last-push date so you can see the rest. Sort your shortlist by that date before committing to a migration.