LunarEngine (formerly Librebox) is an open-source game engine powered by Luau. It delivers a sandbox-style API and development model inspired by popular sandbox engines, so existing Luau code runs with minimal changes.

CRYENGINE is described as 'The most powerful game development platform is now available to everyone. Full engine source code. All features. No royalties. No obligations. No license fee' and is a popular game development tool in the development category. There are more than 50 alternatives to CRYENGINE for a variety of platforms, including Windows, Linux, Mac, Web-based and Android apps. The best CRYENGINE alternative is Godot Engine, which is both free and Open Source. Other great apps like CRYENGINE are Unreal Engine, Unity, GDevelop and Candlestick.
LunarEngine (formerly Librebox) is an open-source game engine powered by Luau. It delivers a sandbox-style API and development model inspired by popular sandbox engines, so existing Luau code runs with minimal changes.

ZGameEditor lets you create 3D games with procedural content that have a redistributable size of 64 KiB or less. It consists of a lightweight OpenGL-powered engine that runs on Windows, Mac, Linux & Android, and a portable Windows IDE featuring real-time editing.








Build 3D apps with near-native 3D performance that run on mobile, desktop and XR.




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!


Cave Engine is a Simple, easy to use, 3D desktop Game Engine that is scriptable in Python.



MANU is an easy to use Video Game Maker. Making your own 3d arcade games with MANU is easier than ever. No code. No limits.


LittleJS is a fast lightweight open source HTML5 game engine for modern web development. Its small footprint is packed with a comprehensive feature set including hybrid rendering, physics, particles, sound effects, music, and input handling.

Wintermute Engine Development Kit is a set of tools for creating and running graphical “point&click” adventure games, both traditional 2D ones and modern 2.5D games (3D characters on 2D backgrounds).

App to create, play, and share AI-generated mobile games, no coding required.




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

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.