Invulnerable

From the letters page: Invulnerable is SwagFire Games's RPG in Ren'Py, still in development. Dystopian setting, corruption and mind control drive the story, told from the view of a male protagonist. Latest version: 1.08a. Available for Windows, Mac, Linux and Android, and playable in the browser on Xgame9 (862 MB).

From the box: “You play as a alternative reality "superhero" who is tasked with enslaving the planet for the empire. You start small with your local school and slowly move up to other superhero's and villain's.”