Controls:
Left Mouse Button -- Build Tower
Right Mouse Button -- Sell Tower
Click / Numbers -- Select Tower
'P' -- Pause
'N' -- Send Next Wave
Withstand the onslaught of enemies for 21 levels and kill the mighty Shu.
Build towers in a maze to keep the creeps in range of your towers for as long as possible.
Experiment with different patterns and build strategies to make the perfect defence.