Tetran Sweeper (テトラン・スイーパー Tetoran Suīpā) is the second boss from Salamander III.
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Tetran Sweeper is a variation of the original Tetran. Upon activating, the boss will swing its tentacles behind to drag asteroids to protect itself; some of those rocks have Dome 2134's attached to them which will constantly spawn enemies. After the boss's barriers are taken down it will begin to drag Big Core F's for protection, these cores will fire down in the player's direction, In Higher loops, the Sweeper will carry Big Core Fs more often than the usual Dome 2134 hatches, preventing from milking strategy for scoring.

