Completed all campaigns under normal difficulty.
Defeated the Roaring Steam.
Defeated War Gear III.
Been bumped into by a supply robot.
Played in Local CO-OP Mode.
Defeat all enemies in Stage 2(Normal).
Defeat all enemies in Stage 2(Noob).
Defeat all enemies in Stage 3(Normal).
Defeat all enemies in Stage 1(Normal).
Defeated Terror Cracker.
Completed all campaigns under noob difficulty.
Scored 2,500,000 points or more during any single stage.
Defeat all enemies in Stage 3(Noob).
Defeated the Lord of War.
Performed 10x hits.
Complete a stage without receiving a single hit.
Defeated Turborghini.
Defeat all enemies in Stage 1(Noob).
Defeated Dread Feller.
Shot down 500 UFOs.
Completed all campaigns under veteran difficulty.
Defeated Big Dora.
Defeat all enemies in Stage 4(Normal).
Defeat all enemies in Stage 5(Normal).
