Kill 150 Zerg units with the Artifact in the “All In” mission on Normal difficulty.
Complete the Wings of Liberty campaign.
Kill the Brutalisk in the “Piercing the Shroud” mission without losing a unit to the Brutalisk on Normal difficulty.
Complete the “Planetfall” mission in the Heart of the Swarm campaign.
Play a game during StarCraft II’s 4th anniversary celebration.