Social Justice Warriors by Nonadecimal: "Social Justice Warriors is a satirical role-playing game that transforms you into a crusader for online morality, a champion of internet justice, and the lone defender standing valiantly against the encroaching morass of willful human ignorance."
Check it out!
ETA: I haven't played the game, and probably won't, but the site amused me. Read the comments before you decide.
ETA 2: There's some discussion about whether the game is ultimately anti- or pro-SJW. I don't know, but I'm amused that the game's Hall of Champions for the SJWs are all white men. Irony, or subconscious racism?