Build towers to attack incoming enemies and stop them from getting past your defenses.
Earn gold by defeating enemies and use it to build more towers.  - Select/Cancel Rain of Fire spell.
 - Select/Cancel Reinforcements spell.
 - Select/Cancel Hero
 - Select/Cancel Extra Hero
[SPACE] - Cancel any selected spell/power/rally point.
[P] - Pauses the game. How to Save: The game automatically saves on the Map.
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