Complete the “Echoes of the Future” mission with Zeratul killing 50 Zerg units on Normal difficulty.
Complete the “Outbreak” mission on Normal difficulty before the 5th night.
Complete the “Breakout” mission without Tosh going below 100 life on Normal difficulty.
Complete 25 missions in the Wings of Liberty campaign on Hard difficulty.
Score 250,000 points on the Lost Viking arcade machine.