Usarobo Crystal Shooter

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Usarobo Crystal Shooter is a 2D side-scrolling shooter that runs in the browser across 5 stages, each with its own enemy formations and a stage boss. You pilot a robotic bunny that fires automatically, so your focus is on positioning to avoid bullets and enemies while collecting crystals dropped by defeated foes. The core mechanic is a dimension swap between Light and Shadow modes, toggled with a single button press: certain enemies and projectiles exist only in one dimension, so swapping at the right moment turns lethal obstacles harmless or exposes hidden enemies. Crystals fund stat upgrades between stages, covering speed, fire rate, and damage. Stage 1 introduces the dimension mechanic with sparse enemies; Stage 5 features dense bullet patterns that require rapid dimension switching to survive. A full five-stage playthrough takes approximately 20 to 35 minutes depending on upgrade choices. No installation is required; the game loads in any modern desktop or mobile browser.