Xenko Game Engine

Xenko is an open-source C# game engine designed for the future of gaming.

21 Alternatives To Xenko Game Engine

Amazon Lumberyard

Amazon Lumberyard is a free AAA game engine deeply integrated with AWS and Twitch – with full…
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Atomic Game Engine

The Atomic Game Engine features a cross-platform editor with deployment to Windows, OSX, Linux…

Cocos2d-x and Cocos Creator

Cocos Engine Official Website | Cocos Creator | Cocos2d-x | Open Source Cross-Platform Game Development Engine

ENIGMA - LateralGM

ENIGMA, the Extensible Non-Interpreted Game Maker Augmentation, is an open source cross-platform…
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Hero Engine

HeroEngine is the only all-in-one development platform for making and operating online games.

Intrinsic

Intrinsic is a Vulkan based cross-platform graphics and game engine.

JMonkeyEngine

What is jMonkeyEngine? It’s a free, open source game engine, made especially for Java game developers who want to create 3D games using modern technology.

MonoGame

MonoGame is an open source implementation of the Microsoft XNA 4 Framework.

Source SDK

The Source SDK is a software development kit compiled by Valve Software that is used to create maps…
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Unreal Engine

Unreal Engine 4 is a suite of integrated tools for game developers to design and build games, simulations, and visualizations.

WorldForge

The WorldForge project is the original open-source MMORPG project, dating back to 1997.