Maze Slaughter

Maze slaughter is a fast paced, rogue-like first person shooter in a maze with piling bodies.
It also features a twitch integration where viewers can interact with the player.

You are Dan Jerouz.
He is a butcher from New York and is having a BBQ party in his yard.
That is when he suddenly gets abducted by aliens and finds himself in a gladiatorial alien game show where he has to shoot his way out.