Tower defense (TD) is a subgenre of strategy video game where the goal is to defend a player's territories or possessions by obstructing the enemy attackers, usually achieved by placing defensive structures on or along their path of attack. Play Tower Defense online at fsiv.com. You can play it in fullscreen to have fun with it. Tower Defense is a great Fsiv game to play with no cost.

Use Left Mouse button to Place/Upgrade Tower,

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