itch.io

Simple, fast-paced games with colorful graphics and catchy audio, that require few or no explanations, can be played in short bursts, and usually require a lot of skill. Similar in style and spirit with the arcade game cabinets of the 80s and 90s.

Godot Engine - The free and open source 2D and 3D game engine

Unity is a game engine for 2D, 3D, AR and more

Unreal Engine is a 3D game creation tool