Community14 Aug 2026Connection Issues in the Russia RegionGreetings, Rune Hunters. An issue where some accounts in the Russia region are unable to access the game and use services. ■ Check Result Notice - There are no restrictions or blocks on access to specific regions in Undecember, and the servers are operating normally. - This issue is presumed to be due to local network conditions or the internet service provider (ISP) and is difficult to resolve…
Greetings, Rune Hunters. We would like to inform you that UNDECEMBER will undergo scheduled maintenance on Jul. 23 (Thu) to provide even more reliable game services. Please see below for more details on the maintenance schedule. Jul. 23 Scheduled Maintenance 1. Maintenance Schedule : Jul. 23 (Thu) 08:00 - 11:00 10:01 (UTC+9) 2. Maintenance Details 3. To Note ■ The maintenance schedule may chang…
Greetings, Rune Hunters. We would like to inform you in advance that certain packages and products currently on sale at the Shop will no longer be available after the following dates. Please see below for more details. We hope the information will help you avoid any inconvenience. Advance Notice on the End of Package and Product Sales 1. Ending Date - After the Jul. 23 (Thu) scheduled maintenan…
Greetings, Rune Hunters. UNDECEMBER will be undergoing a server patch on Jul. 15 (Wed) to address identified issues. Please refer to the following information for details. Jul. 15 Server Patch 1. Server Patch Schedule: Jul. 15 (Wed) 18:00 (UTC+9) * The server patch will proceed without maintenance. * The game will therefore be available to play while the server patch is underway. 2. Server Patc…
Greetings, Rune Hunters. UNDECEMBER will be undergoing a server patch on Jul. 13 (Mon) to address identified issues. Please refer to the following information for details. Jul. 13 Server Patch 1. Server Patch Schedule: Jul. 13 (Mon) 15:15(UTC+9) * The server patch will proceed without maintenance. * The game will therefore be available to play while the server patch is underway. 2. Server Patch…
Greetings, Rune Hunters. UNDECEMBER will be undergoing a server patch on Jul. 9 (Thu) to address identified issues. Please refer to the following information for details. Jul. 9 Server Patch 1. Server Patch Schedule: Jul. 9 (Thu) 19:50 (UTC+9) * The server patch will proceed without maintenance. * The game will therefore be available to play while the server patch is underway. 2. Server Patch D…
Greetings, Rune Hunters. Our next update will take place on Jul. 9 (Thu). Please see below for more details. ※ The information may change when the update takes place. ※ All screenshots were taken on a test server and details may be subject to change.
Greetings, Rune Hunters. We would like to inform you that UNDECEMBER will undergo scheduled maintenance on Jul. 9 (Thu) to provide even more reliable game services. Please see below for more details on the maintenance schedule. Jul. 9 Scheduled Maintenance 1. Maintenance Schedule : Jul. 9 (Thu) 07:00 - 13:00 12:47 (UTC+9) 2. Maintenance Details 3. To Note ■ The maintenance schedule may change d…
Greetings, Rune Hunters. We would like to inform you in advance that certain packages and products currently on sale at the Shop will no longer be available after the following dates. Please see below for more details. We hope the information will help you avoid any inconvenience. Advance Notice on the End of Package and Product Sales 1. Ending Date - After the Jul. 9 (Thu) scheduled maintenanc…
Greetings, Rune Hunters. UNDECEMBER will be undergoing a data patch on Jun. 26 (Fri) to address identified issues. Please see below for more details. Jun. 26 Data Patch 1. Data Patch Schedule: Jun. 26 (Fri) 17:23 (UTC+9) * The data patch will proceed without maintenance. * The game will therefore be available to play while the data patch is underway. 2. Data Patch Details - Fixed an issue where…
Greetings, Rune Hunters. We would like to inform you that UNDECEMBER will undergo scheduled maintenance on Jun. 25 (Thu) to provide even more reliable game services. Please see below for more details on the maintenance schedule. Jun. 25 Scheduled Maintenance 1. Maintenance Schedule : Jun. 25 (Thu) 08:00 - 12:00 11:33 (UTC+9) 2. Maintenance Details 3. To Note ■ The maintenance schedule may chang…
Greetings, Rune Hunters. We would like to inform you about the new products that will be available for purchase after the update on Jun. 11 (Thu). You can find detailed information about these products in the guide below or in the and sections within the game. We appreciate your attention to this information when using the Cash Shop. List of Products on Sale 1. New Product and Package Sales 2.…
Greetings, Rune Hunters. We would like to inform you about the events that will take place after Jun. 11 (Thu). Please see below for more details. List of Upcoming Events 1. Souls Awakening in the Sweltering Heat Event 2. Total Playtime Event 3. Season The Forge Hot Time Event (2nd) ※ The Hot Time event will only be available in Season Mode . ◆ Souls Awakening in the Sweltering Heat Event ■ Eve…
Greetings, Rune Hunters. We would like to inform you that UNDECEMBER will undergo scheduled maintenance on Jun. 11 (Thu) to provide even more reliable game services. Please see below for more details on the maintenance schedule. Jun. 11 Scheduled Maintenance 1. Maintenance Schedule : Jun. 11 (Thu) 07:00 - 14:00 13:49 (UTC+9) 2. Maintenance Details 3. To Note ■ The maintenance schedule may chang…
Greetings, Rune Hunters. We would like to inform you in advance that certain packages and products currently on sale at the Shop will no longer be available after the following dates. Please see below for more details. We hope the information will help you avoid any inconvenience. Advance Notice on the End of Package and Product Sales 1. Ending Date - After the Jun. 11 (Thu) scheduled maintenan…
Greetings, Rune Hunters. We would like to inform you that UNDECEMBER will undergo scheduled maintenance on May. 28 (Thu) to provide even more reliable game services. Please see below for more details on the maintenance schedule. May. 28 Scheduled Maintenance 1. Maintenance Schedule : May. 28 (Thu) 07:00 - 12:00 (UTC+9) 2. Maintenance Details 3. To Note ■ The maintenance schedule may change depe…
Greetings, Rune Hunters. UNDECEMBER will be undergoing a server patch on May. 26 (Tue) to address identified issues. Please refer to the following information for details. May. 26 Server Patch 1. Server Patch Schedule: May. 26 (Tue) 18:20 (UTC+9) * The server patch will proceed without maintenance. * The game will therefore be available to play while the server patch is underway. 2. Server Patc…
Greetings, Rune Hunters. UNDECEMBER will be undergoing a server patch on May. 20 (Wed) to address identified issues. Please refer to the following information for details. May. 20 Server Patch 1. Server Patch Schedule: 1. Server Patch Schedule: May. 20 (Wed) 19:00 (UTC+9) * The server patch will proceed without maintenance. * The game will therefore be available to play while the server patch i…
Greetings, Rune Hunters. UNDECEMBER will be undergoing a server patch on May. 19 (Tue) to address identified issues. Please refer to the following information for details. May. 19 Server Patch 1. Server Patch Schedule: May. 19 (Tue) 22:10 (UTC+9) * The server patch will proceed without maintenance. * The game will therefore be available to play while the server patch is underway. 2. Server Patc…
Greetings, Rune Hunters. UNDECEMBER will be undergoing a server patch on May. 19 (Tue) to game service stabilization. Please refer to the following information for details. May. 19 Server Patch 1. Server Patch Schedule: May. 19 (Tue) 15:15 (UTC+9) * The server patch will proceed without maintenance. * The game will therefore be available to play while the server patch is underway. 2. Server Pat…
Greetings, Rune Hunters. A season commemorative event will be held for the valued Rune Hunters joining Undecember for the new season! Please see below for more details. 1. Season Celebration Exchange Event 2. Season Celebration Attendance
Greetings, Rune Hunters. We would like to inform you about the events that will take place after May. 14 (Thu). Please see below for more details. List of Upcoming Events 1. Wonderland Event 2. Total Playtime Event 3. Season The Forge Hot Time Event (1th) ※ The Hot Time event will only be available in Season Mode. 4. Season The Forge Update Celebration Login Event
Greetings, Rune Hunters. Our next update will take place on May. 14 (Thu). Please see below for more details. ※ The information may change when the update takes place. ※ All screenshots were taken on a test server and details may be subject to change. ◆ New Season : The Forge · New Season begins. ◆ New Content : Card System · Information about the new content. · New contents can be checked at .…
Announcements are the developer’s own posts to the game’s Steam news feed: updates and their patch notes, in-game events, releases and sales. The important ones are marked on the players chart.