Conan O’Brien is no stranger to the gaming world. His Clueless Gamer video game reviews with his partner in crime Aaron Bleyaert are a stabled favorite with viewers. This time, Conan decided to take it to the next level by challenging the stars of HBO’s Silicon Valley to face off in a game of Halo 5: Guardians. Conan and Aaron formed Team Coco with Andy Richter, and on the opposing side Silicon Valley’s Thomas Middleditch, TJ Miller and Zach Woods suited up for an epic video game battle.

Which team won this multi-player battle of the controllers? Watch and find out: