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