Save the planet Tyrian from alien attacks in this deep space tower defense game. Build your best stronghold defense to withstand multiple waves if you can.
Protect the flora against the invading monsters by building your army of plants. Design your own path with defense units. Juggle the exit gates to confuse the incoming monsters.
Strategically place your army against waves of enemies. Shop for new weapons of destruction at your local War-Mart and upgrade them to deal maximum damage!
Zombies and ghosts are invading! Defend the local neighborhoods by building an array of towers to shoot at them and open gates to redirect their hungry minds to places of choice.
