WATCH: Streamer Earns $20K Beating An 'Impossible' Halo 2 Challenge Earlier this year, a so-called Halo 2 challenge popped up with a hefty chunk of prize money for anyone who could do it. It was said to be so difficult that many folks called it an "impossible" feat. Well, tell that to this Twitch streamer right here. (Photo : Steam ) halo infinite steam PC Gamer reports that the now $20,000 Halo 2 challenge has been beaten by Twitch streamer JerValiN. The challenge is to beat the entirety of Halo 2 on Legendary difficulty, with all 13 of the difficulty modifier Skulls activated.