


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, CRYENGINE and Defold Engine.



The Cafu Engine is an all-purpose, modern 3D graphics engine and game development kit, feature complete to get you started quickly.




Reality Factory is a program that - in conjunction with other tools - allows you to create 1st and 3rd person perspective games without programming! Reality Factory is built on top of the powerful Genesis3D Open Source engine and supports all major 3D graphics cards.
Nau Engine is a versatile and free game engine built on open-source principles. It's designed to be accessible to developers of all skill levels, enabling the creation of a wide range of interactive experiences.

GameCraft (formerly Robocraft X) is a game maker where you can build your own physics games from blocks and components without the need to write code. You can also play many games that have been created and shared by others in the community.




FPS Creator sets a new benchmark in the game creation market by providing an easy-to-use yet highly flexible editing environment. As its name implies this is a tool for creating action-packed FPS games with no programming or 3D modelling knowledge required.



If you like playing 3D games, you might like to create your own game with custom scenes, characters, weapons and design your own gameplay. Silent Walk FPS Creator is a tool which helps you design and build your dream 3D game - without a single line of code!


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.



Amulet is a free Lua-based audio/visual toolkit suitable for small games and experimentation. It runs on Windows, Mac, Linux, HTML5 and iOS.
Lunar Engine is a free, open source 2D Online RPG maker software suite that enables you to rapidly create spectaclor online worlds from your imagination to the computer screen.




Free online 3D Game Maker. Make your own 3D games online! Create Games for Web, Mobile and Desktop. Easy to use.




VERY low graphics and only good for beguiners.


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

This is more a game than a game engine.