I Java based tower defence!
Guide
Flame Towers: AoE oriented tower, low single target damage.
Cold Towers: Slowing effect with little damage. Aoe slowing at max rank.
Poison Towers: Short range, slow towers that puts a permanent health drain on the enemy.
Sniper Towers: Long range, slow, and high damage towers.
Chaingun Towers: Very fast, medium damage and medium range.

Place a tower on an already existing tower of the same type to upgrade it

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