The game uses a "dash, dodge, shoot" loop. Your primary challenge is mobility; you must move constantly to avoid projectiles while finding windows to unleash your own firepower.
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Every run is procedurally generated. As you level up, you choose from randomized upgrades that affect attack speed, damage, or more "exotic" traits. You can focus on pure offensive power or build a defensive tank that can withstand more hits. The game uses a "dash, dodge, shoot" loop