Commander Vega says: "Hold the line. No one gets past."
Place turrets, stop the waves. Enemies march left to right — don't let them reach your base. Press DEFEND and wave 1 starts at once.
Tap an empty grid cell to place a turret (50 gold). Tap your turret again to upgrade it (40 gold, once).Turrets auto-fire at enemies in range. Kills pay 12 gold, cleared waves pay 60. Survive all 5 waves.