Completed Level 1
Completed Level 2
Completed Level 3
Completed Level 4
Completed Level 5
Used all weapons
Used a bomb
Uncovered a secret wall (by walking into it)
Uncovered a secret area (by bombing it)
Upgraded standard weapon to max
Bought something from vending machine
Killed 95% of enemies in any level
Collected all lives in any level
Collected all coints in any level
Completed the Game
Completed the Game using just the standard weapon
Didn't touch the ground for 30 secs (bouncing off enemies)
Got 60% hit accuracy in any level
Killed 95% of enemies in the entire game
Collected all lives in the entire game
Collect all coins in the entire game