Get through the final boss
Get through the alien lair
Destroy the hex cannon
Get through the guardian
Get through the lab
Get through the cannon wall
Get through the circuit
Destroy the square cannon
Get through the tech
Get weapon 4
Get through the ice
Get through the cliffs
Get weapon 1
Get through the first wall
Destroy 30 enemies
Get weapon 2
Destroy 20 enemies
Destroy 15 enemies
Destroy the guard cannon
Destroy 10 enemies
Destroy 5 enemies
Get weapon 3
Destroy the triple turret
Destroy a weapon crate
Destroy the enemy bot