Unity Web Player | Unity3D:Tower Defense
« created with Unity »
Level 10 - Boss
Level 11-14 - Air units introduced
Level 15 - Only Air units
Level 16-19 - more Air units
Level 20 - Second boss
Level 21-24 - Stealth units introduced
Level 25 - Only stealth units
Level 26-29 - More stealth units
Level 30 - Final boss