Alternatives to SIO2 Engine for all platforms with any license

  • Unity icon

    Unity

    Unity is a multi-platform game development tool, designed from the start to ease creation. A fully integrated professional...

    Freemium Mac Windows

  • GDevelop icon

    GDevelop

    GDevelop is an open source game creation software, allowing to make games for the web (HTML5) or for Windows and Linux. No programming...

    Open Source Mac Windows Linux Android iPad

  • Scratch icon

    Scratch

    Scratch is a programming language that makes it easy to create your own interactive stories, animations, games, music, and art -- and...

    Open Source Mac Windows Linux

  • Unreal Engine icon

    Unreal Engine

    Unreal Engine is a professional suite of tools and technologies used for building high-quality games across a range of platforms....

    Free Personal Mac Windows Linux

  • Polycode icon

    Polycode

    Polycode is a C++ and Lua framework for building interactive applications. It is free, open source and cross-platform.

    Open Source Mac Windows Linux

  • Stencyl icon

    Stencyl

    Stencyl is the creator of StencylWorks, a tool that has enabled creators of all all skills levels create iOS and Flash games in no...

    Freemium Mac Windows Linux

  • Adobe Shockwave Player icon

    Adobe Shockwave Player

    Over 450 million Internet-enabled desktops have installed Adobe Shockwave Player. These people now have access to some of the best the...

    Free Mac Windows

  • Fireball icon

    Fireball

    Fireball is an editor framework for game development. We focus on creating the most accessible and feature reach GUI toolset in one...

    Open Source Mac Windows

  • Superpowers icon

    Superpowers

    Superpowers is an HTML5 development environment for making 2D and 3D games. It can be extended with plugins and lets you collaborate...

    Open Source Mac Windows Linux

  • Torque 3D icon

    Torque 3D

    Torque 3D is a easy-to-use game creation platform. Architected from the ground up for maximum flexibility and performance across a...

    Open Source Mac Windows Linux

  • Game Editor icon

    Game Editor Discontinued

    Game Editor is the open source game design software that gives you the power to create the games of your dreams, and, unlike other...

    Open Source Mac Windows Linux

  • Construct Classic icon

    Construct Classic Discontinued

    Construct is a free, DirectX 9 game creator for Windows, designed for 2D games. It uses an event based system for defining how the...

    Open Source Windows

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  • CryENGINE icon

    CryENGINE

    Free CryENGINE® 3 SDK for non-commercial use Anyone can now download a full version of the best All-In-One Game Development...

    Free Personal Windows

  • Urho3D icon

    Urho3D

    Urho3D is a lightweight, cross-platform rendering and game engine implemented in C++ and released under the MIT license. Greatly...

    Open Source Mac Windows Linux Android iPhone Raspberry Pi

  • ENIGMA - LateralGM icon

    ENIGMA - LateralGM

    ENIGMA, the Extensible Non-Interpreted Game Maker Augmentation, is an open source cross-platform game development environment derived...

    Open Source Mac Windows Linux

  • Adventure Game Studio icon

    Adventure Game Studio

    Adventure Game Studio provides the tools to make your own adventure, for free! Bring your story and artwork and slot it in, and let...

    Free Windows

  • Platinum Arts Sandbox icon

    Platinum Arts Sandbox

    Platinum Arts Sandbox Free 3D Game Maker is an open source free game maker, free RPG Maker, free sidescroller maker, free Machinima...

    Open Source Windows Linux

  • Gamesalad icon

    Gamesalad

    GameSalad Creator is an authoring tool developed by GameSalad, Inc. (formerly Gendai Games) aimed primarily at non-programmers for...

    Commercial Mac

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  • Blitz3D icon

    Blitz3D

    Create 2D and 3D Games for Windows. If you've been yearning to create games but have been frustrated by the complexity of...

    Open Source Windows

  • Castle Game Engine icon

    Castle Game Engine

    An open-source 3D/2D game engine for ObjectPascal. We support of lot of 3D and 2D formats (VRML / X3D, Collada, Wavefront OBJ, MD3...

    Open Source Mac Windows Linux BSD

  • Wintermute Engine Development Kit icon

    Wintermute Engine Development Kit Discontinued

    Wintermute Engine Development Kit is a set of tools for creating and running graphical “point&click” adventure games, both...

    Open Source Mac Windows Linux

  • NeoAxis 3D Engine icon

    NeoAxis 3D Engine

    NeoAxis 3D Engine is positioned as a universal development framework for 3D projects. The framework can be applied when developing...

    Freemium Mac Windows

  • Amazon Lumberyard icon

    Amazon Lumberyard

    Amazon Lumberyard is a free AAA game engine deeply integrated with AWS and Twitch – with full source.

    Free Windows

  • Playir icon

    Playir

    Create your own mobile apps & 3D multiplayer games with our super-easy design tools for iOS, Android, Windows Phone and HTML5!...

    Freemium Web / Cloud Android iPhone Android Tablet Windows Phone iPad

  • PlayN icon

    PlayN

    PlayN is a cross-platform game library that allows you to create a single Java codebase that runs in HTML5, Java, Android and Flash.

    Open Source Windows

  • Reality Factory 2 icon

    Reality Factory 2 Discontinued

    Reality Factory 2 is a next-generation game authoring suite. It combines a flexible, fully scripted game development environment...

    Open Source Mac Windows Linux

  • ENIGMA icon

    ENIGMA

    ENIGMA Development Environment -- A very high level language, compiled into a less high level language.

    Open Source Mac Windows Linux

  • Lobster

    Lobster is a game programming language. It was developed to make it easier for people who are already programmers to prototype and...

    Open Source Windows Linux

  • Leadwerks icon

    Leadwerks

    Low-cost video game development engine for Windows platforms.

    Commercial Windows Linux

  • Marmalade

    Marmalade is an award winning, cross-platform development tool built around the belief that developers should be free to innovate...

    Free Personal Mac Windows Android iPhone Windows RT Android Tablet ... Windows Phone iPad

  • Shiva icon

    Shiva

    ShiVa 3D game engine with graphical editor to create applications and games for Windows, MacOS, Linux, iPhone, iPad, Android, Palm...

    Freemium Windows

  • Thinking Worlds icon

    Thinking Worlds Discontinued

    Thinking Worlds is a globally unique 3D sims & games creation environment. It enables novice and advanced developers alike to...

    Free Windows

  • Tululoo Game Maker icon

    Tululoo Game Maker

    Tululoo Game Maker is a complex game creation environment that allows you to create browser based games. The program generates a...

    Free Mac Windows Linux

  • Maratis icon

    Maratis

    Maratis is a portable, simple and visual game development tool designed for artists and developers. The Engine has been tested on...

    Free Mac Windows Linux iPhone iPad

  • FPS Creator Classic icon

    FPS Creator Classic

    FPS Creator sets a new benchmark in the game creation market by providing an easy-to-use yet highly flexible editing environment. As...

    Open Source Windows