Win 5 1v1 Unranked or Ranked games in a row.
Win a 1 vs 4 Multiplayer Custom Game with no Allies against 4 Medium A.I. opponents.
Win a 1v1 Multiplayer Custom Game against an Elite A.I. opponent in under 5 minutes.
Kill a Stank before it kills anything on Hard difficulty.
Survive 5 Infested Horde Attacks in the “Night 2 Die" mode of the “Left 2 Die” scenario.