Hello! Welcome the caioBuild Engine Demo. This is a 3D game engine. You can create games with the same quality as Unity without needing to install it. It is also cheaper, and there are no taxes like Unity has. The engine is smaller compared to Unity, with only 16MB of storage, making it accessible to anyone with a computer. 

More on itch.io page.

Minimum System Requirements for instance:

Operating System: Windows 10 (64-bit)

Processor: Intel Pentium Dual-Core E5200 (2.4 GHz) or equivalent

Storage: 30 MB of available hard drive space

RAM: 1 GB of RAM

DirectX: DirectX 10.0 or later

(yep, that low)

Screenshots

Download: caiodevv.itch.io/caiobuild-engine