The Best 85 Unreal Engine Alternatives

  • Atomic Game Engine icon

    Atomic Game Engine

    The Atomic Game Engine features a cross-platform editor with deployment to Windows, OSX, Linux, WebGL, Android, and iOS.

    Free Open Source Mac OS X Windows Linux

  • Blitz3D icon

    Blitz3D

    Create 2D and 3D Games for Windows.

    Free 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, Spine...), we're portable to a lot of platforms (Linux, Windows, Mac OS X, Android, iOS...

    Free Open Source Mac OS X Windows Linux BSD

  • MonoGame icon

    MonoGame

    One framework for creating powerful cross-platform games. The spiritual successor to XNA with 1000's of titles shipped across desktop, mobile, and console platforms. MonoGame is a fully managed .

    Free Open Source Mac OS X Windows Linux Web GitHub

  • Gamesalad icon

    Gamesalad

    GameSalad Creator is an authoring tool developed by GameSalad, Inc. (formerly Gendai Games) aimed primarily at non-programmers for composing games in a drag-and-drop fashion, utilizing visual editors and a behavior-based logic system.

    Commercial Mac OS X Windows

  • Orx icon

    Orx

    Orx is an open source, portable, lightweight, plugin-based, data-driven and extremely easy to use 2D-oriented game engine. Orx is mostly written in C, but allows you to develop with it with any language that can interface to C.

    Free Open Source Mac OS X Windows Linux Android iPhone Android Tablet iPad

  • Source SDK icon

    Source SDK

    The Source SDK is a software development kit compiled by Valve Software that is used to create maps or mods for the Source engine, with the exception of Left 4 Dead, Left 4 Dead 2, and Alien Swarm.

    Commercial Mac OS X Windows

  • Phaser icon

    Phaser

    Phaser is a fun, free and fast 2D game framework for making HTML5 games for desktop and mobile web browsers, supporting Canvas and WebGL rendering.

    Free Open Source Mac OS X Windows Linux

  • Xenko Game Engine icon

    Xenko Game Engine

    Xenko is an open-source C# game engine designed for the future of gaming. It comes with a full toolchain and is especially well suited to create realistic games but allows you much more!.

    Freemium 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

  • RPG Toolkit icon

    RPG Toolkit

    The RPG Toolkit is a free, open source project delivering a simple, flexible and powerful tool for the creation of role-playing games on your personal computer. The homepage also hosts games created with rpgtoolkit.

    Free Open Source Windows Linux

  • Shiva icon

    Shiva

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

    Freemium 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 Javascript code that can be played in web browsers using the next generation web standard HTML5.

    Free Mac OS X Windows Linux

  • QICI Engine icon

    QICI Engine

    QICI Engine is a free and opensource JavaScript library, based on free and opensource game engine Phaser, with a web-based comprehensive suite of HTML5 game making editor.

    Free Open Source Mac OS X Windows

  • Alice icon

    Alice

    Alice is an innovative 3D programming environment that makes it easy to create an animation for telling a story, playing an interactive game, or a video to share on the web. Alice is a teaching tool for introductory computing.

    Free Mac OS X Windows Linux

  • Open RPG Maker icon

    Open RPG Maker

    Open RPG Maker is a free and open source clone of features from the RPG Maker series (i.e. rpgmaker200, rpgmaker2003, rpgmakerxp), as well as many other features.

    Free Open Source Mac OS X Windows Linux Mac