Hold down keys 1 - 9 and click to place units! Costs: Non-Evolved Units: 1 - Boomerang - 10 R 2 - Laser - 10 R 3 - Brute - 15 R 4 - Blocker - 25 R 5 - Mast - 30 R Evolved Units: 6 - E + Bommerang - 50 R 7 - E + Laser - 50 R 8 - E + Brute - 60 R 9 - E + Blocker - 125 R
