Complete the “Echoes of the Future” mission with Zeratul killing 50 Zerg units on Normal difficulty.
Score 500,000 points on the Lost Viking arcade machine.
Destroy the Loki in the “Engine of Destruction” mission on Normal difficulty.
Destroy 20 units with Sniper Rounds in an Unranked or Ranked game.
Complete the “Ghost of a Chance” mission using Dominated units to kill at least 15 enemy troops on Normal difficulty.