The retro game development engine for Go, inspired by Pico-8 and powered by Ebitengine.
No, it's not. It's rather a game development library with dev-tools which make it simple (and fun!) to write retro games in Go.
It's a game that resembles old 8-bit/16-bit games. This usually means:
Because it's the easiest way to write a game in Go. IMHO ;)
Pi is under development. Only limited functionality is provided. API is not stable. See ROADMAP for details.