Kill 75 enemies using Executions.

In a single game, complete every Research Project.

Complete Confounding Light with more than 3 turns left on the timer.

Complete Friends in Low Places.

Build the Gollop Chamber.

Staff the Engineering Department with 80 engineers.

In a single game, complete every Autopsy.

Build a Firestorm.

Build the Hyperwave Relay.

Kill 500 aliens.

Advance one of your soldiers to Colonel rank.

Build a S.H.I.V

Kill 150 aliens.