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Steam News16 December 20256mo ago

Christmas Update in Rat Run!

Custom Interface Themes! Now you can unlock 3 new cheesy themes for Rat Run's menu interface by scoring enough points. You can find them in the new shop section. New Cosmetics!

In this update3

Full notes

Full Rat Run update

Read the full published notes in a cleaner layout. The original post stays linked below.

What changed

1 fix4 additions1 change0 removals
  • UI and audio
  • Store
  • Fixes
  • Gameplay
addedCustom Interface Themes!Now you can unlock 3 new cheesy themes for Rat Run's menu interface by scoring enough points. You can find them in the new shop section.
addedNew Cosmetics!New location - Xmas Forest, music made by T-STUDIO (みんなの創作支援サイトTスタ).
addedNew Cosmetics!4 new rats - Gingerat, Snowrat, Christmas-themed Boba and Santa - Rat! Unlock them with another in-game currency - caramel , which you can find only in Xmas Forest .
fixedTechnical updatesFixed the bug that crashed the game on Steam Deck when you changed the app resolution.
addedTechnical updatesMore resolution options in the settings - 16:10 options added.
changedTechnical updatesIncreased music acceleration.

Rat Run changes

addedNow you can unlock 3 new cheesy themes for Rat Run's menu interface by scoring enough points. You can find them in the new shop section.
addedNew location - Xmas Forest, music made by T-STUDIO (みんなの創作支援サイトTスタ).
added4 new rats - Gingerat, Snowrat, Christmas-themed Boba and Santa - Rat! Unlock them with another in-game currency - caramel , which you can find only in Xmas Forest .
fixedFixed the bug that crashed the game on Steam Deck when you changed the app resolution.
addedMore resolution options in the settings - 16:10 options added.

Custom Interface Themes!

Now you can unlock 3 new cheesy themes for Rat Run's menu interface by scoring enough points. You can find them in the new shop section.

New Cosmetics!

  • New location - Xmas Forest, music made by T-STUDIO (みんなの創作支援サイトTスタ).

  • 4 new rats - Gingerat, Snowrat, Christmas-themed Boba and Santa - Rat! Unlock them with another in-game currency - caramel, which you can find only in Xmas Forest.

Technical updates

  • Fixed the bug that crashed the game on Steam Deck when you changed the app resolution.

  • More resolution options in the settings - 16:10 options added.

  • Increased music acceleration.

Source

Steam News / 16 December 2025

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