You can sort-of play Mario Kart on YouTube as an "interactive video" that could lead to more complex experiments

A rising YouTube channel is making "playable games" for YouTube, and its Mario Kart interactive video is a conceptually ...
GitHub

fish-game

"Fish Game" for Godot is a 2-4 player online multiplayer game created as a demo of Nakama; an open-source scalable game server, using the Godot game engine. "Fish Game" for Macroquad is an online ...
GitHub

Awesome Game Engine Development

Curated list of resources related to the development of game engines (tools that improve and speed up game creation). Specifically toward the development of high-level, fully featured game engines ...