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