Destroy all Zerg structures in "The Devil’s Playground” mission on Normal difficulty.
Don’t take damage from the Archangel in the “Back in the Saddle” mission on Normal difficulty.
Win a game of Aiur Chef.
Complete the “Whispers of Doom” mission on Hard difficulty without Zeratul suffering life damage.
Kill 250 additional Zerg units in the “In Utter Darkness” mission on Normal difficulty.