Cost / License
- Free
- Open Source
Application type
Platforms
- Mac
- Windows
- Linux
- Flathub
- Blender


Unreal Engine is described as 'Professional suite of tools and technologies used for building high-quality games across a range of platforms. Unreal Engine’s rendering architecture enables developers to achieve stunning visuals and also scale elegantly to lower-end systems' and is a very popular game development tool in the development category. There are more than 100 alternatives to Unreal Engine for a variety of platforms, including Windows, Linux, Mac, Web-based and Android apps. The best Unreal Engine alternative is Godot Engine, which is both free and Open Source. Other great apps like Unreal Engine are Unity, GDevelop, Candlestick and CRYENGINE.


Verge3D is a powerful and intuitive toolkit that allows Blender, 3ds Max or Maya users to create immersive web-based experiences. Verge3D can be used to build interactive animations, product configurators, engaging presentations of any kind, online stores, explainers, e-learning...






PlayCanvas is the world’s easiest to use WebGL Game Engine. It’s free, it’s open source and it’s backed by amazing developer tools.




Torque 3D is a easy-to-use game creation platform. Architected from the ground up for maximum flexibility and performance across a wide range of hardware and built upon the Frontline award-winning Torque Game Engine Advanced, Torque 3D comes equipped with a full suite of tools...

Torque 3d is more like a game than an engine. Also, it is hard to use.






Urho3D is a lightweight, cross-platform rendering and game engine implemented in C++ and released under the MIT license. Greatly inspired by OGRE and Horde3D.




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 .NET open source game framework without any black boxes.

Xogot brings the full power of the Godot game engine to iPad. With a native iPad experience designed for touch, you can create, test, and share games wherever inspiration strikes.




Flax Engine is claimed the most agile game engine. It's open source, cross-platform and it lets you write scripts in C++ and C# seamlessly. Also focused on lightweight development. A true game changer.




RPG Paper Maker is a free game maker engine including a 3D universe with many 2D sprites and some simplified 3D objects. Pretty close to the RPG Maker series, RPG Paper Maker finally give a way to create RPGs in a totally 3D universe as easy as it is in 2D!



Wicked Engine is an open-source game engine written in C++. The main focus is to be easy to set up and use, light weight, high performance, and graphically advanced. The full source code is provided with the MIT license, which means, anyone is free to use it for anything without...

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. These games are packaged with their own SDKs, called the Left 4 Dead Authoring...

Source SDK is an awesome game engine and it have been used to make some of the most popular games, like CS : GO, Team Fortress 2 and Second Life.


If you need a web-friendly game engine, Verge3D supports WebGL way better than Unreal. Also includes visual programming environment similar to Blueprints.