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The Gravitator is an object created by Dr. Crygor in WarioWare: Twisted!. It resembles a washing machine and is able to change the direction of gravity. It can also create bubbles that trap objects around the Gravitator and are then affected by the change in gravity. Any object that is placed into it turns into a Game Boy Advance lookalike that has no buttons on it at all and plays its games by being tilted, not unlike WarioWare: Twisted! itself.
The Gravitator is first used by Wario, after his Game Boy Advance breaks and he goes to Dr. Crygor's Lab to get it fixed. Crygor tosses his Game Boy into the Gravitator, creating a massive pile of the tilt consoles. Mona and 9-Volt soon enter the lab and start to play with the console, finding it really enjoyable, and Wario gets the idea to market it. Later, Crygor starts to experiment with the Gravitator, tossing a bunch of random objects into it and then turning it on. This causes the Gravitator to create a giant robot, which Crygor proceeds to fly around in and subsequently crash.
While the Gravitator is being used by Crygor and Wario to produce more of the consoles, Wario accidentally enters it, which turns him into Wario-Man. Wario, with his new power, promptly reenters the Gravitator in an attempt to power up even more, despite Crygor's attempt to get him away. The Gravitator then blasts off into space and transforms into a giant mecha, with Wario as its pilot. While flying around, he comes across Orbulon and his friends in a new Oinker, and tries to get their attention. The Oinker identifies the Gravitator as an unknown robot and fires upon it, completely destroying it and sending Wario back to Dr. Crygor's lab.