SIO2 Engine Alternatives

    SIO2 Engine is described as 'SIO2 is an OpenGLES based cross-platform 2D and 3D game engine for iOS, Android, MacOS and Windows which provides you all the modern game engine functionalities built-in right at its core for your mobile devices at a fraction of the regular industry price for the same type of' and is an app in the Development category. There are more than 25 alternatives to SIO2 Engine for a variety of platforms, including Windows, Linux, Mac, Online / Web-based and Android. The best alternative is Unity, which is free. Other great apps like SIO2 Engine are Unreal Engine (Freemium), GDevelop (Free Personal, Open Source), Wick Editor (Free, Open Source) and Scratch (Free, Open Source).

    This page was last updated Oct 27, 2021

      • Windows
      The only true complete development platform for online games. HeroEngine seamlessly integrates the entire client and server architecture required to operate an online game directly into the development process.
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      • FreeProprietary
      • Windows
      Thinking Worlds is a globally unique 3D sims & games creation environment. It enables novice and advanced developers alike to create and publish highly immersive sims & games – rapidly.


      The official website is no longer available. Last version, 3.5.3, released in September 2011, can be still downloaded from

    1. Atavism opens up development opportunities of virtual online worlds to everyone regardless of programming knowledge or artistic ability.
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