Place monster towers on the field, to defend against the invaders. Collect energy by destroying the ball invaders. Use energy to purchase more monsters. Don't let the invaders reach your base! Features - Interactive tutorial - Fun, upbeat theme - 18 large, challenging levels - A variety of monsters are unlocked as you progress. Use them strategically to win each level Enter to enjoy playing Monster Tower Defense game without any charges at friv1000000.com. Monster Tower Defense is one for our amazing Friv 1000000 games to play and having fun.

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