Complete level 2
Buy something from the vending machine
Complete level 1
Get 60% hit accuracy in any level
Upgrade standard weapon to maximum level
Uncover a secret wall (by walking into it)
Use a bomb
Collect all trophies
Kill 95% of enemies in any level
Collect all lives in any level
Collect all coins in any level
Complete the game
Complete the game using just the standard weapon
Don't touch the ground for 30 seconds
Kill 95% of enemies in the entire game
Collect all lives in the entire game
Collect all coins in the entire game
Complete level 3
Complete level 4
Complete level 5
Use all weapons
Uncover a secret area (by bombing it)
