Destroy at least 30 enemies in one combo
Drop 50 coins into the main coin acceptor to unlock the bonus dispenser
Drop 100 coins into the main coin acceptor to unlock jumping platforms
Drop 200 coins into the main coin acceptor to unlock 3 turrets
Drop 1000 coins into the main coin acceptor
Smash 100 Secret Boxes
Find a secret place
Complete the game
Fall into lava
Find all Robot Figures
Get a gloden cup
Complete the game without using checkpoints
05:00
Destroy the boss on wave 19
Bring down the landing ship
Destroy the boss on 30 wave
Stick a magnetic grenade to a flying enemy
Get a second revolver
Destroy at least 10 enemies in one combo
Destroy at least 20 enemies in one combo
