Best Open Source ActionScript Game Engines

ActionScript Game Engines

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Browse free open source ActionScript Game Engines and projects below. Use the toggles on the left to filter open source ActionScript Game Engines by OS, license, language, programming language, and project status.

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1

Citrus-Engine

Modern AS3 Game Engine

Citrus Engine is a 2D game framework for ActionScript 3 that simplifies the development of physics-based games, especially platformers. Built on top of Starling and Box2D, it provides a component-based architecture and high-level abstractions for objects, input, levels, and camera control. It’s well-suited for educational games, side-scrollers, and mobile game development using Adobe AIR.

Downloads: 0 This Week

Last Update: 2025-07-04
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2

FlashPunk

A free ActionScript 3 library designed for developing 2D Flash games

FlashPunk is an open-source 2D game engine for Flash, designed for rapid game prototyping and development in ActionScript 3. It offers a simple entity-component system, support for tilemaps, collision detection, and animation, making it ideal for creating pixel-art and arcade-style games. FlashPunk was a favorite among indie developers in the early 2010s due to its simplicity and performance.

Downloads: 0 This Week

Last Update: 2025-07-04
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3

Isomech

Experimental Game Engine in Actionscript and C++

Downloads: 0 This Week

Last Update: 2013-04-26
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4

QBism Game Engine

qbism Super8 is an open source 3D game engine with advanced yet intentionally retro 8-bit graphics for a crunchy pixelated look. The source code is forked from Makaqu Quake with enhancements from other Quake projects. The goal is to expand capabilities of authentic software-rendering without sacrificing performance. Features ———— Real 8-bit software graphics Plays most modern epic Quake maps that require enhanced engine limits and extensions. Colored static and dynamic lights. Scorch marks (stainmaps), fog, transparent water and particles, and skyboxes. Unique indexed colored lighting that doesn’t slow down the engine. Plays nice with weird laptop screen resolutions and Windows XP/ Vista/ 7. Record demos directly to xvid, mp4, divx, or other avi-compatible formats. Start and stop demo recording any time during a game. Start and stop video recording any time during a game or demo. Fisheye mode! [Optimize me!] Mothballed project: QBismFusion = enhanced QFus

Downloads: 0 This Week

Last Update: 2015-08-04
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