Set of viruses have united to attack a hospital. They want to infect all people inside like ebola virus. Build defensive medicine towers and stop virus attack at all costs!
Defend your base against incoming enemies from all sides. Your commandos have ability to call special orders, upgrade turrets and towers. Playing 'E'ndless level gets your score on the leaderboard.
Fight the enemy hordes using unique abilities of your towers and powerful combat spells. Be aware of enemy towers because they give his forces various bonuses, including healing, armor increase and others.
Defend yourself and eliminate all your enemies to survive by placing towers at available spots in Antarctica. Use strategy and upgrade wisely. Best of Luck!