Mossmouth
Mossmouth is a game studio founded by Derek Yu, known for Spelunky and UFO 50.
Last updated September 2, 2026
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Overview
Mossmouth is a game studio started by Derek Yu in 2009 as a one-man studio to release Spelunky. The studio has released games such as Spelunky, Spelunky 2, and UFO 50. Mossmouth is a registered trademark.
History
Mossmouth was started by Derek Yu in 2009 as a one-man studio to release Spelunky. The studio's goal is to collaborate with cool people and continue to make games that are dense and full of surprises.
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