The cruise liner Poseidon has capsized at sea, and you're trapped on board! You'd better find a way out before it sinks!
Inspired by the 1972 disaster film.
The game was renamed The Upsidedown Adventure to avoid copyright troubles with 20th Century Fox, which owned the film rights.
Originally written in BASIC for the TRS-80, then rewritten by the author for .NET in 2013.
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