Complete the tutorial

Buy an upgrade

Equip the magnet

Upgrade a weapon to level 2

Upgrade a shield to level 2

Upgrade an armour to level 2

Upgrade the motors to level 2

Upgrade a weapon to level 3

Upgrade a shield to level 3

Upgrade an armour to level 3

Upgrade the motors to level 3

Upgrade a weapon to the maximum

Upgrade a shield to the maximum

Upgrade an armour to the maximum

Upgrade the motors to the maximum

Buy a skin

Defeat the first boss

Defeat the second boss

Destroy 20 enemies in a row

Destroy 20 anti-aircraft guns