Ever wonder how Coach, Ellis, Rochelle, and Nick would take on the T-Virus? Well, wonder no more. Capcom announced on March 15th that Resident Evil 6 and Left 4 Dead 2 worlds will collide.

The all-new No Mercy mode will be the arena to play as Valve’s New Orleans’ zombie apocalypse survivors. But not to leave our Louisiana troubadours in the cold, Valve will also include two special infected, the Witch and the Mini-Tank.

Felt like Left 4 Dead 2 could use more zombies? You got that, too! Valve developers created Resident Evil 6 enemies for their world — Lepotitsa, Napad, and Ogroman — and are to be expected sometime in the Spring.

Limited to the PC version exclusively, Resident Evil 6 will release March 22nd and will see the free DLC crossover pack available on April 5th. To access the crossover, download Left 4 Dead 2 [if not already…