FlipSide is a short 1 hour game, heavily inspired by Portal and The Entropy Centre. It's still very Work In Progress, try out the Beta until full release.
The current Beta is around 3 minutes long. Expect more content in the future.
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The Nexus Research Facility has been quietly developing a world-changing device that lets you Invert Gravity.
You offered to test their device, but little did Nexus know that you'd be infiltrating their testing track to expose their dark secrets to the whole world!