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Steam News23 December 20256mo ago

0.3.0 - New biomes, elite & Christmas Theme

Patch Notes - New Features & Updates Hohoho! Here is the christmas update! In this patch, we're deepening the world of Umigame by introducing a new layer of rooms you can explore in the abyss, and we're also adding chri

In this update8

Full notes

Full Umigame update

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

What changed

0 fixes11 additions4 changes0 removals
  • Gameplay
  • Events
  • Maps
  • Balance
  • UI and audio
addedPatch Notes - New Features & UpdatesIn this patch, we're deepening the world of Umigame by introducing a new layer of rooms you can explore in the abyss, and we're also adding christmas themed rooms to the Mangrove.
addedPatch Notes - New Features & UpdatesAnd there is also a new spooky monster to fight.
changedHidden RoomsAt the end of random levels, a black hole can appear. It can lead you to a hidden level, giving rewards… or death. Will you take the risk?
addedHidden RoomsNEW HIDDEN BIOME: The Hotpot ⇒ 8 new rooms (trap rooms)
addedHidden RoomsNEW HIDDEN BIOME: Jelly Reef ⇒ 2 new rooms (bonus rooms with healing and treasure chests)
addedNew Mechanic: TrapsNew Trap: Astrolaser

Umigame changes

addedIn this patch, we're deepening the world of Umigame by introducing a new layer of rooms you can explore in the abyss, and we're also adding christmas themed rooms to the Mangrove.
addedAnd there is also a new spooky monster to fight.
changedAt the end of random levels, a black hole can appear. It can lead you to a hidden level, giving rewards… or death. Will you take the risk?
addedNEW HIDDEN BIOME: The Hotpot ⇒ 8 new rooms (trap rooms)
addedNEW HIDDEN BIOME: Jelly Reef ⇒ 2 new rooms (bonus rooms with healing and treasure chests)

Patch Notes - New Features & Updates

Hohoho! Here is the christmas update!

In this patch, we're deepening the world of Umigame by introducing a new layer of rooms you can explore in the abyss, and we're also adding christmas themed rooms to the Mangrove.

And there is also a new spooky monster to fight.

Hidden Rooms

  • At the end of random levels, a black hole can appear. It can lead you to a hidden level, giving rewards… or death. Will you take the risk?

NEW HIDDEN BIOME: The Hotpot ⇒ 8 new rooms (trap rooms)

NEW HIDDEN BIOME: Jelly Reef ⇒ 2 new rooms (bonus rooms with healing and treasure chests)

New Mechanic: Moving Platforms

Use these platforms to travel quickly in the Hotpot. Once you're on it, there is no coming back.

New Mechanic: Traps

New Trap: Astrolaser

New Trap: Boulder Launcher Steam post image

Use the Omnicore to interact with platforms and traps in hidden rooms.

New Mechanic: Treasure Chests

  • Chests can now appear after defeating a boss and in the Underworld

  • New Chest Types

    • Basic Chests – the most common

    • Shellfish Chests – require shellfish to open

    • Cursed Chests – sacrifice Health to open

    • Boss Chests – big rewards

New Rooms

  • New: 2 Mangrove rooms: Christmas sub-biome, and a few gifts in each room

  • New Room Type: ELITE

  • New Elite: Pumpking, located in Sunken Cemetery biome

Interface

  • Main Menu visuals updated to reflect the Christmas spirit

Rend

  • Gains an invulnerability frame after using the secondary attack’s teleport

Others

  • Items will now stay in the water instead of going on unreachable terrain

Source

Steam News / 23 December 2025

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