Destroy the Planetary Fortress in the “Old Soldiers” mission before the nuclear strike on Hard difficulty.
Destroy 4 Gorgon Battlecruisers within 120 seconds in the “Fire in the Sky” mission on Hard difficulty.
Destroy Zagara’s base in the “Domination” mission in less than 14 minutes on Hard difficulty before collecting 100 eggs.
Destroy all Dominion Structures in the “Rendezvous” mission before Naktul’s brood arrives on Hard difficulty.
Complete “Back in the Saddle” with more than 40 seconds on each lockdown on Hard difficulty.