20XX is a roguelike action platformer that you can play with a friend, Jump and shoot your way through ever-changing levels, collect awesome new powers, and battle mighty bosses in the name ... Read all20XX is a roguelike action platformer that you can play with a friend, Jump and shoot your way through ever-changing levels, collect awesome new powers, and battle mighty bosses in the name of saving the human race maybe.20XX is a roguelike action platformer that you can play with a friend, Jump and shoot your way through ever-changing levels, collect awesome new powers, and battle mighty bosses in the name of saving the human race maybe.