Completed "The Arrival" on any Difficulty.
Completed "Construction" on any Difficulty.
Completed "Overrun" on any Difficulty.
Completed "The Big Guns" on any Difficulty.
Completed "They're Back!" on any Difficulty.
Completed "Retaliation" on any Difficulty.
Completed "End Game" on any Difficulty.
Completed the game on any Difficulty.
Completed the game on Captain Difficulty or higher.
Completed the game on Admiral Difficulty.
Used your first support call.
Occupied all support positions in "Overrun".
Downed a Thug with the pistol.
Downed 3 or more enemies with one shot from the Railgun.
Downed 5 enemies with one support call.
Disarmed or planted 20 charges.
Defeated 40 enemy vessels in Ship Control gameplay.
Fully outfitted a ship with the maximum number of Wild cards available.
Downed 40 enemies that are stunned by the LRAD.
Downed 40 enemies with the Pistol.
Downed 40 enemies with the KRAW.
Downed 40 enemies with the Carbine.
Downed 40 enemies with the Shotgun.
Downed 40 enemies with the Alien Railgun.
Downed 40 enemies with Grenades.
Destroyed 10 enemy ships with the USS Chesapeake.
Destroyed 20 enemy ships with the USS John Quincy Adams.
Destroyed 20 enemy ships with the USS Laredo.
Destroyed 20 enemy ships with the USS Yukon.
Destroyed 20 enemy ships with the USS Missouri.
Downed 200 enemies with artillery support calls.
Recovered 5 ships.
Found all 28 hidden pegs.