Buy your first weapon at the menu store.
Collect 100 Silver coins throughout one battle.
Buy every weapon at the menu store.
Your Tesla tower has been destroyed.
Use a toolbox for the first time.
Buy your first spy computer.
Place a signal receiver for the first time.
Unlock Veteran.
Unlock Hidden.
Buy your first supply at the terminal.
Defeat Pickup Boss for the first time.
Defeat Helicopter Boss for the first time.
Kill Cyborg Boss in the Labs for the first time.
Defeat every Boss in game.
Buy Berrett M82 at the menu store.
Your turret has been destroyed by enemies. I'm sorry.
Place 3 turrets at the same time.
