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Short Summary

The KZX Engine is a free award winning 3D game engine created by Grand Dog Studio. The KZX Engine is a dutch based tool for video game development in both 2D or 3D perspectives. It is the first ever free game engine tool build from the Netherlands that is actually available to download. The video game engine originally started its development way back in 2014 and has been worked on ever since by a small development team. The KZX Engine is currently a freeware game engine with a proprietary software license, you can see our license here. The KZX engine was completely made with the powerful C++ programming language and with OpenGL as its graphical rendering framework the KZX Engine uses Lua as its standard integrated scripting language. The KZX Engine is however only available on windows and only supports the windows build export within the game editor.

Completely for Free

Yes, KZX Engine is completely for free the KZX Engine has no additional paid licenses or royalty fees for any commercialization of your product made with our software. Everything you make with our engine is for free for you to distribute, read our proprietary license for more information. visit our license.


With KZX Engine, you can easily use any texture file to make an PBR, Standard or empty material, our material system has multiple easy shader functions. The KZX Engine material pipeline was made similar to the popular unity game engine.

Lua Scripting

Believe it or not, you don't need many experience to make a script using Lua, you can follow many tutorials on youtube or you can ask for help in our discord community. Join the Community

Advanced Editor

KZX Engine has a very clean and modular user interface within the editor, the KZX Editor was made for beginning developers to navigate more easier and to use the editor more professional. New features are added regularly to improve the KZX Engine.

Realistic Game Physics

We created this with the help of the powerfull Bullet3 physics library, a awsome frontier of dynamic physics and kinematics. We created a realistic physics functionality with just a few clicks you have fully dynamic physics and gravity on your physical objects.!

Example Demo

KZX Engine provides you with free playable demo for you to discover, this demo was pre-builded but do contain a set of variety of content to be adjusted to your likings and to learn from them. This demo has been fully created and rendered within the KZX Engine.

Sponza - Graphics Demo

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