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

Products that involve or comprise source code, including programming games; does not refer to products with their own source code available, open source or not.

A template project to get you started developing a certain kind of thing.