Unknown / Unimplemented

Message IDs present in source files with no known wire-level documentation. Includes SnowStorm mini-game messages (IDs 5000-5029, 6000-6026), Nitro-only IDs without Arcturus handlers, and Arcturus stubs in unknown/.

C→S 1371 - Unknown1

Nitro: GET_BADGE_POINTS_LIMITS

Source: UnknownEvent1, GetBadgePointLimitsComposer

Requests the badge point limits from the server. Nitro maps this to GET_BADGE_POINTS_LIMITS; Arcturus routes it to UnknownEvent1.

Body: (empty)

S→C 69 - BotSkillListUpdate

Nitro: BOT_SKILL_LIST_UPDATE Source: UnknownRoomDesktopComposer, BotSkillListUpdateEvent

Field	Type	Notes
botId	int	Room unit ID of the bot
count	int	Number of skill entries
[count × skillId]	int	Skill type ID
[count × data]	string	Skill-specific data string

Delivers an updated bot skill list after a bot skill save operation.

S→C 1663 - HotelMergeNameChange

Nitro: HOTEL_MERGE_NAME_CHANGE Source: HotelMergeNameChangeEvent

(no Arcturus composer)

Signals that a username change is required following a server merge. Body is empty; Nitro-only.

Body: (empty)

S→C 3441 - PetSupplement

Nitro: PET_SUPPLEMENT Source: UnknownComposer8, PetSupplementedNotificationEvent

Notifies the room that a supplement was applied to a pet.

Field	Type	Notes
petId	int	Room unit ID of the pet that was supplemented
userId	int	Account ID of the user who gave the supplement
supplementType	int	Supplement type ID

S→C 3523 - HandshakeIdentityAccount

Nitro: HANDSHAKE_IDENTITY_ACCOUNT Source: UnknownRoomViewerComposer, IdentityAccountsEvent

Delivers account identity data as part of an alternative handshake flow.

Field	Type	Notes
count	int	Number of identity account entries
[count × id]	int	Account ID
[count × name]	string	Username

S→C 4000 - DisconnectReason

Nitro: DISCONNECT_REASON Source: ErrorLoginComposer, DisconnectReasonEvent

Delivers a disconnect reason code to the client before the server closes the connection.

Field	Type	Notes
reason	int	Disconnect reason code

S→C 5100 - NotificationSimpleAlert

Nitro: NOTIFICATION_SIMPLE_ALERT Source: SimpleAlertMessageEvent

Delivers a simple notification alert message string.

Field	Type	Notes
type	string	Notification type string
message	string	Notification message text

S→C 5200 - PollStartRoom

Nitro: POLL_START_ROOM Source: StartRoomPollEvent

(no Arcturus composer)

Starts a room-wide poll, delivering the poll to all room occupants. Nitro-only.

Body: (empty)

S→C 5201 - PollRoomResult

Nitro: POLL_ROOM_RESULT Source: RoomPollResultEvent

(no Arcturus composer)

Delivers the results of a room poll after voting closes. Nitro-only.

Body: (empty)

S→C 5210 - FireworkChargeData

Nitro: FIREWORK_CHARGE_DATA Source: FireworkChargeDataEvent

(no Arcturus composer)

Delivers firework charge data for a firework item in the room. Nitro-only.

Body: (empty)

S→C 26979 - Unknown_26979

Unknown server message with no documented purpose or handler. Body is empty.

Body: (empty)