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 Lightning Bolt spell (Premium content only)
 - Activate/Cancel Sunray Tower.
[SPACE] - Cancel any selected spell/power/rally point.
[P] - Pauses the game.
Kingdom Rush is a popular game of online Action games, we has also many best free upgrade games like Kingdom Rush. You can play free here at yepi23.com!