DragonRuby Game Toolkit is a professional grade 2D game engine. It's tiny (~3.5MB), fast, and cross-platform (including consoles and mobile).
Open 3D Engine Alternatives
Open 3D Engine is described as '(O3DE) is an Apache 2.0-licensed multi-platform 3D engine that enables developers and content creators to build AAA games, cinema-quality 3D worlds, and high-fidelity simulations without any fees or commercial obligations' and is a game development tool in the development category. There are more than 100 alternatives to Open 3D Engine for a variety of platforms, including Windows, Linux, Mac, Web-based and Android apps. The best Open 3D Engine alternative is Godot Engine, which is both free and Open Source. Other great apps like Open 3D Engine are Unity, Unreal Engine, GDevelop and Candlestick.
Alternatives list
Project Anarchy is a complete end to end game engine and state-of-the-art toolset for mobile. Project Anarchy includes an entirely free license to ship your game on iOS, Android and Tizen platforms.


A cross-platform 2D game prototyping framework based on OpenGL and C++.
Angel balances the speed and flexibility of native code with an eye towards rapid iteration and out-of-the-box functionality. In a world of web games and memory-managed scripting engines, sometimes you still.
Cost / License
- Free
- Open Source
Application type
Alerts
- Discontinued
Platforms
- Mac
- Windows
- Linux
- OpenGL
Valkyrie is a no-code creative platform that lets designers combine digital assets and create applications and interactive prototypes: where the power of Unity meets the usability of Photoshop.
Cost / License
- Freemium
- Proprietary
Platforms
- Mac
- Windows
- iPhone
- Software as a Service (SaaS)


- 103 Verus Engine alternatives
Verus Engine is a modern, platform-agnostic 3D game engine. It is developed using C++ and HLSL. It is based on Direct3D 12 and Vulkan graphics APIs. The code is user friendly and well optimized.



Maratis is a portable, simple and visual game development tool designed for artists and developers.
Cost / License
- Free
- Open Source (GPL-2.0)
Application type
Alerts
- Discontinued
Platforms
- Mac
- Windows
- Linux
- iPhone
- iPad


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Free online 3D Game Maker. Make your own 3D games online! Create Games for Web, Mobile and Desktop. Easy to use.


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Leadwerks Game Engine provides the smoothest learning curve to take you from beginner to full-fledged game developer. Use the visual editor and the flowgraph system to set up game interactions without code. Use Lua to write your own game scripts.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Windows
- Linux
- HTC Vive
- Oculus Rift


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Reality Factory 2 is a next-generation game authoring suite. It combines a flexible, fully scripted game development environment powered by Python with the Ogre3D engine, and supports all major desktop operating systems.
Cost / License
- Free
- Open Source
Application type
Alerts
- Discontinued
Platforms
- Mac
- Windows
- Linux
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- iPad
Esenthel is a next gen, cross-platform C++ game engine that comes with a lighting fast, high performance game engine with advanced graphics and physics and support for multiplayer and UNLIMITED size worlds which is make the engine well suit even MMORPG titles.
Cost / License
- Freemium
- Open Source
Application type
Platforms
- Mac
- Windows
- Linux
- Android
- Windows Phone
- Xbox


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Cost / License
- Free
- Open Source
Application type
Alerts
- Discontinued
Platforms
- Mac
- Windows
- Linux
- Self-Hosted


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