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.
The Boxhead universe is turning ugly.. No longer are the heroes content to take down the zombie menace, they have turned on each other in an ultimate battle to finally determine who is the ultimate Boxhead!
Guide your tank to trample your enemies before they reach your base. Change your force field to match the enemy's color before trampling him and collect their energy to unleash your tank's powers!
