Filtrer
Upgrade a weapon to level 2
Upgrade a weapon to level 2
Upgrade a shield to level 2
Upgrade a shield to level 2
Upgrade an armour to level 2
Upgrade an armour to level 2
Upgrade the motors to level 2
Upgrade the motors to level 2
Upgrade a weapon to level 3
Upgrade a weapon to level 3
Upgrade a shield to level 3
Upgrade a shield to level 3
Upgrade an armour to level 3
Upgrade an armour to level 3
Upgrade the motors to level 3
Upgrade the motors to level 3
Upgrade a weapon to the maximum
Upgrade a weapon to the maximum
Upgrade a shield to the maximum
Upgrade a shield to the maximum
Upgrade an armour to the maximum
Upgrade an armour to the maximum
Upgrade the motors to the maximum
Upgrade the motors to the maximum
Destroy 20 enemies in a row
Destroy 20 enemies in a row
Destroy 20 anti-aircraft guns
Destroy 20 anti-aircraft guns