Sound, gfx, code, all but the cherry by AlleyCat w/ blender, gimp, lmms and the mighty Xed on l00nix , phaser by phaser ... lunix by linus ...
... menu ... sounds ... phaserclientsidedev should go fast enough, but i have barely scratched the surface here, there's SO many options omfg ...(is that an f-word? aah)

SteemJack, (2019) by AlleyCat for Steemplayer