GoalSurvive enemy waves and defeat bosses in endless rooms
Tap to aim
Tap screen to set projectile direction
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Attack enemies
Your projectiles fire automatically at foes
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Collect boosters
Grab power-ups to strengthen your hero
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Defeat the boss
Destroy the boss wave to advance
↺Enemies get harder; you unlock new abilities
WinDefeat all enemies including the boss
Game overYour hero takes too much damage