itch.io

Uses two-dimensional "sprites", 2D images created and used on a flat plane, as opposed to the three-dimensional models or environments found in 3D games.

A collection or bundle of assets together as a single download or purchase

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

Projects that have advertised as not using generative AI their creative process.

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