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Tower Blitz is a cooperative tower defense game on Roblox developed by Hexagon Development Community, set in a science-fiction conflict between the UEC (United Earth Coalition) and an alien invasion force called the Invaders. Players place and upgrade towers along enemy paths to stop waves of alien attackers from breaking through. With 132 million visits and a 92.04/100 rating, it stands among the highest-rated tower defense games on the platform.

The core loop runs round by round: choose a map, place towers from your loadout along the enemy path, earn In-match Cash from kills, and spend that cash to upgrade towers before the next wave arrives. What distinguishes Tower Blitz from most tower defense games is its dual upgrade path system - every tower has a Top Path and a Bottom Path, and after Level 2 you must commit to maxing one. This makes tower investment permanent and strategic rather than automatic. Targeting modes (adjust with the H key) let you fine-tune each tower's priority, from First to Strongest, adding another tactical layer during heated waves.

Between matches, you earn Tokens - the meta-currency used to unlock new towers and cosmetics. Higher difficulties and harder maps yield more Tokens, creating a natural incentive to push your skills. Servers hold up to 80 players, enabling large-scale cooperative play and genuine division of labor across a map's multiple chokepoints.

The developer announced that Tower Blitz has received its last major update, making it a finished, complete experience rather than a live-service game. Tower Defense Simulator and Tower Battles are the closest comparisons for players wanting ongoing updates alongside the same cooperative format.