The following lists current known bugs in the game, ranging from visual to actual in-game issues.

Gameplay Affecting Bugs

LBAS Swap Crash

  • What happens: The game will occasionally crash when attempting to change planes in the LBAS menu.
  • Predicted Cause: This is due to the game attempting to unload an image asset before it has even been loaded by the game.

LBAS Recon Planes do not gain ranks

  • What happens: Any SeaplaneYellowPlane recon type plane will not gain experience in proficiency after sorties, but will conversely still lose ranks if the planes are somehow lost during combat. This impacts Type 2 Land-based Reconnaissance AircraftType 2 Land-based Reconnaissance Aircraft 311 Card and its skilled variant the most.

Equipment Fit Bonuses having no effect

  • What happens: In any calculation that requires equipment and ship stats to be evaluated separately, bonus stats from equipping certain equipment on ships will not be considered at all. Conversely any formula that obtains the whole sum of visible stat of the ship will utilize the bonus stats from equipment fits.
  • Formulas affected:
    • ASW Attack Damage Formula - Bonus Icon ASW ASW from Sonars/Gyrocopters is not considered neither ship nor equipment ASW.
    • Aerial Power Formula - Bonus Icon AA AA from fighter planes is not considered part of the plane's AA.
    • Anti-Air Defense Formula - Bonus Icon AA AA from AA Guns is not considered neither ship nor equipment AA.
    • Night Carrier Damage Formula - Bonus Icon Gun Firepower from Night Fighters is not considered neither the ship nor plane's AA.
    • Artillery Spotting Rate Formula - Bonus Icon LOS from radars and seaplanes are not considered neither the ship nor equipment's LoS.
  • Formulas unaffected:
    • Shelling - Both Normal Shelling and Carrier Shelling count bonus Icon Gun firepower normally.
    • Torpedo - Bonus Icon Torpedo Torpedo is accounted for normally.
    • Defense Power - Bonus Icon Armor armor is accounted for normally.
    • Evasion - Bonus Icon Evasion evasion is accounted for normally.
    • LoS Routing - Bonus Icon LOS LOS is counted for as Ship LOS.
    • Opening ASW - Bonus Icon ASW is counted towards the 100 Icon ASW requirement.

Torpedo Support Expedition

  • What happens: Torpedo-type Support Expeditions seem to have a base attack power of 0, causing them to only deal scratch damage, regardless of any Firepower or Torpedo stat.

Ship "Zombification"

  • What happens: When sinking a ship on a time-limited event map, by closing the game before the battle ends (Aka. Before battle result screen is shown), and refraining from logging in until a maintenance in which the time-limited map is removed from the game occurs. Upon entering the game after the map is removed, the sunken ship will remain in the game, at 0 HP and with a 轟沈(Sunk) status. The ship can be repaired as per normal; removing this status, and cannot be sortied at 0 health.
  • Predicted Cause: The game is unable to resolve the battle state due to the map the ship was sunk in, no longer existing. This presumably aborts the game's attempt to check for and delete the sunken ship in question from your roster. Opening the game at any time before the map is removed, or sinking a ship in a normal map will not enact this behavior, regardless of whether a maintenance has occurred or not.

Combined Fleet Torpedo Phase

  • What happens: Player side torpedoes will resolve their damage before Abyssal side torpedoes, causing Abyssal torpedoes to deal reduced, or zero damage if the Abyssal is damaged or sunk. So far this is only observed to occur during Combined Fleet vs Combined Fleet scenarios.

ASW Synergy Inconsistencies

Grecale Kai's Base Evasion

  • What happens: Grecale KaiGrecale Kai Banner's base evasion is 18 instead of a suspected 48, causing her evasion growth to be incredibly high, giving her a projected 152Icon Evasion evasion at level 175 instead of 129Icon Evasion.

Anti Air Cut In API 13

  • What happens: Anti-Air Cut In API Type 13 is impossible to activate, due to sharing similar requirements to API 8 (GreenGunDP with >= 8Icon AA + Radar with >=2 Icon AA), but being checked after API 8 and having a lower activation rate. Since the same RNG number is used to compare to each AACI, API 13 remains impossible to activate, as any possible generated RNG number will activate API 8 instead.

Combined Fleet Echelon Using Old Values

  • What happens: The shelling damage modifier for echelon when using it in Combined Fleet (via entering a Night Battle Node) is still set at 60% instead of 75%. This can be observed through measuring the damage of Support Shelling, which uses the shelling modifier of the formation.

Visual Bugs

World 3-2 Listed Resource Error

  • What happens: World 3-2 still lists Steel instead of Ammunition as being obtainable in the map.
6-5LBAS Error

The incorrect Land Base positioning in HTML5's client.

World 6-5 LBAS Legend Offset

  • What happens: World 6-5's LBAS Legend is incorrectly positioned in Phase 2's HTML 5 client, causing it to appear to be in the middle of the ocean instead of the island. It is correctly positioned in the Android client.

Sazanami Incorrect Rarity Background

  • What happens: SazanamiSazanami Banner has an incorrect rarity background on her card in Phase 2's HTML 5 client. It is the correct color background in the Android client.

Level Up Visual Bugs

  • What happens: Occasionally, when leveling up, ships do not actually show the level up animation, nor increase in level in Phase 2's HTML 5 client. Additionally, when hitting level 174, the exp required for the next level afterwards will not display, as the server does not send the API information required to display the exp.

Impending Bugs

These are bugs that will happen in the future, as a result of external factors.

Sound settings will not load

  • What happens: Sound settings will reset every reload starting from Chrome 80.
  • Cause: The game stores sound settings in cookies, starting from Chrome 80, cookies will default to SameSite=Lax. Because the game is loaded from dmm, this will cause the cookies to not be loaded. A simple fix of adding SameSite=None won't work since the same update will force these cookies to be marked Secure[1].
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