Urban Siege Line

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Urban Siege Line is a lane-based 2D shooter where you stand at a defensive position and gun down waves of zombies approaching from the right. You move your character between three horizontal lanes, shoot continuously, and swap between weapons as ammo runs low. Between combat, you call in air strikes, throw grenades at clusters, and deploy squad members to hold specific lanes. Surviving each mission earns currency to upgrade weapons, increase ammo capacity, and improve support abilities. Ammo management is the central pressure because running dry mid-wave forces a weapon switch at the worst moment, and weaker backup guns struggle against armored enemies that appear in later missions. Prioritizing the upgrade path toward faster reload and higher damage output makes the mid-game significantly more manageable. Boss-tier zombies absorb a lot of hits and push forward while regular enemies fill the other lanes, so grenades are best saved for those moments. A mission runs three to seven minutes, and the upgrade loop gives returning sessions clear direction. It suits players who enjoy arcade shooters with light progression systems.