two is an all-purpose c++ app prototyping library, focused towards live graphical apps and games.




Atavism Online Engine is described as 'Atavism opens up development opportunities of virtual online worlds to everyone regardless of programming knowledge or artistic ability' and is an game in the games category. There are more than 10 games similar to Atavism Online Engine for a variety of platforms, including Windows, Linux, Mac, iPhone and Android apps. The best Atavism Online Engine alternative is Unreal Engine, which is free. Other Atavism Online Engine like games are CRYENGINE, Urho3D, Torque 3D and OGRE.
two is an all-purpose c++ app prototyping library, focused towards live graphical apps and games.




The Irrlicht Engine is an open source high performance realtime 3D engine written in C++. It is completely cross-platform, using D3D, OpenGL and its own software renderers, and has all of the state-of-the-art features which can be found in commercial 3d engines.
JMonkeyEngine3 it’s a free, open source game engine, made especially for Java game developers who want to create 3D games using modern technology. The software is programmed entirely in Java, intended for wide accessibility and quick deployment.

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.


Valkyrie Engine is the most popular SaaS alternative to Atavism Online Engine.
Your project’s smart 3D digital twin as a Service. SmartShape (formerly Minko) is a technology to develop and design rich, interactive and universal 3D applications targeting computers, web browsers and mobile platforms.

SmartShape is the most popular Web-based alternative to Atavism Online Engine.
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.


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.




Leadwerks is the most popular commercial alternative to Atavism Online Engine.
Lumix Engine is an open-source 3D game design software and engine. It's written in C++ and supports several scripting languages.



The Forge is a cross-platform rendering framework PC, Linux, Ray Tracing, macOS / iOS, Android, XBOX, PS4, Switch and Stadia. Particularly, the graphics layer of The Forge supports cross-platform descriptor management, multi-threaded and asynchronous resource loading, shader...



