These are the button mappings for an Xbox 360 controller. The emulator is a JavaScript Game Boy emulator. This is loaded on the Chromecast through a simple html file (called the receiver in the repo).

It is similar to an old Galaga style game with the following features. The objective is to learn using JavaScript programming through making Space Shooter Game. To play the game: Some possible ...

However, Dominic Szablewski has recreated the game in JavaScript for an online competition, producing an executable that is a mere 13KB. The slimmed-down game, called Q1K3, is hosted on JS13K ...