Steam

UNDECEMBER: The Forge

Also known as UNDECEMBER: The Forge, steam:1549250, uf

UNDECEMBER is a Hack & Slash Action RPG in which players are able to surpass the conventional limits of skills by endlessly combining variety of Skill and Link Runes. Become a Rune Hunter and experience the joy of farming and growth!

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Last update

24 Jun 2026

Players now

452

Original sources

Latest update

Patch notesPublished 5d ago

Jun. 25 Scheduled Maintenance

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…

1 changeGameplay

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Latest updates

Update history

Browse past updates and patch notes for this game.

28updates

June 2026
Notice of Products Available for Sale After Jun. 11 (Thu)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 belo…Event2 changes16d ago
Notice of Events Taking Place After Jun. 11 (Thu)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…Event16 changes16d ago
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…1 changeGameplayPatch notes18d ago
Advance Notice on the End of Package and Product SalesGreetings, 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.…Event3 changesGameplay19d ago
May 2026
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…1 changeGameplayPatch notes27 May 2026
May. 26 Server PatchGreetings, 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 Server Patch Schedule: May…Announcement4 changesFixServer26 May 2026
May. 20 Server PatchGreetings, 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 Server Patch Schedule: Ser…Announcement5 changesServer20 May 2026
May. 19 Server Patch (2nd)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 Server Patch Schedule: May…Event9 changesFixServer19 May 2026
May. 19 Server PatchGreetings, 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 Server Patch Schedule: Ma…Announcement4 changesServer19 May 2026
[The Forge] Season Celebration Event NoticeGreetings, 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. [List of Upcoming Events] 1. [The Forge] Season Ce…Event2 changes15 May 2026
Notice of Events Taking Place After May. 14 (Thu)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. S…Event1 change15 May 2026

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