NindiesSoftware updatesSwitch

Curse of the Sea Rats (Switch): all the updates (latest: Ver. 1.3.7 / Next: Ver. 1.4.0)

On this page, you will find all there is to know about the various updates for Curse of the Sea Rats on Nintendo Switch (originally released on April 6th 2023 in North America, Europe, and Japan)!

Click here for more Software updates!

Curse of the Sea Rats – Ver. ??? (The Ghost Ship Update)

  • Release date: Fall 2023 (North America, Europe, Japan)
  • Patch notes:

No patch notes available yet. This update brings the following to the game:

  • adds a new Survival Mode that tasks players with defeating increasingly more challenging waves of enemies and bosses one after another! If the player(s) can clear a wave they will receive a reward in the form of a usable item, attack or defence buff before progressing onto the next wave. After certain ‘milestone’ waves player characters will also unlock additional bonuses in the form of new ‘inner element’ magical abilities and skills. But be warned however, if all players are defeated progress will be lost! When playing through The Ghost Ship your fastest clear times will be logged after each wave so you can challenge yourself to smash your existing records!

Curse of the Sea Rats – Ver. 1.4.0

  • Release date: Summer 2023 (North America, Europe, Japan)
  • Patch notes:

No patch notes available yet. This update brings the following to the game:

  • adds an enemy log menu to showcase which enemies (and how many of them) the player has defeated
  • makes improvements to the player inventory UI
  • makes additional changes to boss balancing

Curse of the Sea Rats – Ver. 1.3.7

  • Release date: June 23rd 2023 (North America, Europe) / June 24th 2023 (Japan)
  • Patch notes:
Combat System


  • General improvements to the combat in order to make it more fast-paced and dynamic:
  • Attacks are now cancelable with the jump and parry actions.
  • Hurt animations have been shortened.
  • Hitboxes when sliding have been improved.
  • Character Control
  • General
  • Rebalanced the skill tree for all four characters.
  • All the attacks’ ranges have been increased to better adjust the slashes to their hitboxes.
David Douglas
  • Run Attack’s momentum has been reduced and its speed has been increased.
  • Down Air Attack’s boost has been increased and its preparation speed has been increased.
  • Parry animation has been reduced and recovers faster.
  • Improvements to the Fireball attack.
  • Akane Yamakawa
  • Faster recovery after parrying.
  • Changed the hits per second of the Water Shield attack.
  • Run Attack’s momentum has been reduced and its speed has been increased.
  • Knockdown animation has been shortened.
  • Improved Dash hitbox activation.
  • Multiple tweaks to the Down Attack.
Buffalo Calf
  • Knockdown animation has been shortened.
  • Disabled death upon pitfall; now the player teleports to a connected room.
  • Added Dolores in a new room between the Flora and Long Fuse Jones boss fights (with a save point and teleport), to allow the player to purchase items and further unlock the skill tree.
  • Now the Backtrack stones can be removed by interacting with them.
  • Changed the spikes’ placement, size, and damage caused.
  • Improved Major Mallory’s tutorial with clearer visual guidance.
  • Reduced amount of enemies in Fodla’s Bog.
User Interface
  • Added map legend.
  • Added custom markers functions to the map.
  • Added map marker that shows the buried treasures’ locations.
  • Added map marker that shows the NPCs’ positions.
  • Added XP counter on the status UI.
  • Updated inventory item order.
  • Implemented defined order for the Treasure Bag’s items.
  • Added combo details in the Transmutation item description.
Bug Fixing
  • Changing the direction on the D-Pad works correctly.
  • Cutscenes don’t display graphical corruption.
  • All chest icons on the map update properly after opening them.
  • Poison status and buffs don’t persist after death.
  • Enabling or disabling the minimap saves correctly.
  • Treasure icons show properly when the meanwhile scenes end.
  • Sam doesn’t disappear when reloading.
  • Spirit drops don’t follow the player if collected while resurrecting with the resurrection ring.
  • SFX doesn’t persist after the Long Fuse Jones fight.
  • All dialogues are properly skippable.
  • Dying on a room transition doesn’t cause the game to crash.
  • Player always properly dies and respawns when falling into a water pit.
  • Bussa’s skill tree descriptions have all the correct values.
  • Correct SFX volume when collecting the XP orbs dropped when dying.
  • Quitting the telescope on the Lighthouse is more intuitive.
  • Resurrecting the Necromancer without changing to a different room works correctly.
  • Platforms appear correctly in the Necromancer boss fight.
  • Enemies don’t disappear briefly upon being hit.
  • Multiple enemies’ AI bugs have been corrected.
  • Treasure items don’t appear in the general inventory after using the shortcuts feature.
  • No need to press Join when selecting a character in single mode.
  • Addressed some localization issues.
  • Enemies’ alpha values in Tuatha de Danann Temple are now correct.
  • Improved performance on the credits scene.
  • Added missing consumable items in Robert’s stores 2 & 3.
  • All SFX change volume according to the master mixer’s value.
  • Animated slide bar added to the bosses’ HP HUD.
  • Fixed some level design issues.
  • Corrected and improved multiple environment art issues.

Curse of the Sea Rats – Ver. 1.1.2

  • Release date: May 24th 2023 (North America, Europe, Japan)
  • Patch notes:
Crashes and optimization
  • Fixed crash when entering a room in the Flying Rat’s Hole area (All platforms).
  • Fixed crash when arriving at the Long Fuse Jones boss fight (PS4 and Xbox One) that prevented players from finishing the game.
  • Optimized change room loading times by implementing the CPU boost mode (Nintendo Switch).
  • Optimized ambient sounds and music to reduce change room loading times (All platforms).
  • Fixed the Spirit Points glitch that allowed the player to obtain too much of this currency.
  • Added ability to speed up and skip the credits when finishing the game.
  • Added missing Amelio’s treasure map in Tuatha Dé Danann Temple.
  • Fixed various enemy bugs related to AI, placement and collisions.
  • Fixed various visual issues.
  • Fixed Long Fuse Jones AI issues in the third phase of the boss fight.
  • Fixed Backpack bug that caused issues when exiting and loading a save file.
  • Fixed Treasure Map bug that caused marks to be missing.
  • Fixed bug on the Meanwhile scenes that prevented obtaining the Timothy drawings.
  • Fixed duplicated items bug in the Quick Inventory.
  • Fixed blocker in the Cursed Ship Flora Burn boss fight.
  • Fixed enemy level display in the ending backtrack section.
  • Added ability to break the stones during the ending backtracking section that was clearly confusing players. This is a quick fix so all players can finish the game, but we’re working on another solution.
  • Removed the Cursed Ship’s lockpick doors besides the last one.
  • Tweaked some level design elements.
  • Rebalanced Douglas’ Battle Cry skill and Bussa’s healing skills.
  • Fixed incorrect Ghost enemy level in Tuatha Dé Danann Temple.
  • Fixed and rebalanced pricing for a few store items.
  • Rebalanced Premium Whool pricing.
  • Added and improved some sound effects.
  • Balanced volume of some sound effects and music.

How to download updates for Curse of the Sea Rats for the Nintendo Switch?

To download the updates for Curse of the Sea Rats, you have three options:

  • let the console do its thing if you have automatic downloads activated, and didn’t completely turn it off

If not…

  • try to launch the game from the Home Menu while being connected to the internet. You should get a prompt when doing so: simply follow the instructions on screen;


  • select the game > press either + or – to go to the Options page > select Software update > select Via the Internet.

To check that you have the latest version installed, simply select the game on the Home Menu, and press – or + to go to the Options: the version number is displayed just below the game title.


Founder and main writer for Perfectly Nintendo. Tried really hard to find something funny and witty to put here, but had to admit defeat.