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Mossmouth

3 games developed by Mossmouth that we track, with today’s price at each store and the lowest price we have seen.

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Games tracked3since Sep 2026
On sale now0
Released2013–2024
Steam usersVery Positiveon 2 of 3 games31,161 reviews
Genres
Action2AdventureRPGStrategy

My name is Derek Yu. In 2009, I created Mossmouth as my personal studio where I can collaborate with cool people to make exciting, dense games full of surprises.

From Mossmouth’s page on Steam
Founded
2009
Country
United States
Role
Developer and publisher

Sale history

From the prices we have recorded for games developed by Mossmouth. Our own record, which starts on Sep 21, 2026; sales before then are not in it.

Last saleOct 24–31, 2026up to −50% at Nintendo eShopon 1 game
Games on sale since Sep 21, 20263 of 3of those we had a price for

All 3 games developed by Mossmouth

On sale first

Show these games as

2024

  1. UFO 50

2020

  1. Spelunky 2

2013

  1. Spelunky

Latest from Mossmouth on Steam

Announcements they posted, newest first. Each one opens on Steam.

  1. Party House Physical Card Game - Kickstarter!UFO 50
  2. Cherry Rush 2026 - This WeekendUFO 50
  3. Guy Spelunky Joins Fraymakers!Spelunky
  4. Patch Notes: v1.9.5UFO 50
  5. Patch Notes: v1.9.1UFO 50