Update history
Latest 13 The Longed-for Revenge of Undecember updates
Search patches, hotfixes, and dev posts. Load more to keep browsing the timeline.
Browse updates
Published changes
Search updates. Filter by source or date. Open any row for the full patch notes, or load more to continue the timeline.
- 13 The Longed-for Revenge of Undecember
V5.1.0 Patch!
V5.1.0 Patch Notes Improved overall performance and optimization Stability improvements V5.0.0 Patch Notes Details: Difficulty adjustments(Lucid significantly reduced, Sink reduced) Reduced and rebalanced frame counts (…
Patch notes4 changesPerformanceGameplay - 13 The Longed-for Revenge of Undecember
V.5.0.0 Release!
Update Notes The update focuses more on improving progression and overall enjoyment. Details: Difficulty adjustments(Lucid significantly reduced, Sink reduced) Reduced and rebalanced frame counts (Lucid: 13, Sink: 26) P…
Patch notes2 changesGameplay - 13 The Longed-for Revenge of Undecember
V.4 Release!
Update Notes Ability Added An Ability feature has been added to help players reach the ending more easily and experience the story. However, progress will not be saved if this ability is used. You can access this featur…
Event4 changesFixGameplay - 13 The Longed-for Revenge of Undecember
V3.2.0 Patch
Added hint box Angel Spawn Motion Changed Minor balance adjustments And so on.. Note on Game Difficulty This game is intentionally designed to be very challenging, as stated in the game's description. Although the diffi…
Announcement4 changesGameplayBalance - 13 The Longed-for Revenge of Undecember
V3.1.0 Patch
Fixed an issue where AI would stop moving in certain terrain Enhanced path_finding stability Note on Game Difficulty This game is intentionally designed to be very challenging, as stated in the game's description. Altho…
Patch notes3 changesFixPerformance - 13 The Longed-for Revenge of Undecember
V3.0.4 Patch
Optimization Improved AI pathfinding performance Fix small bugs Note on Game Difficulty This game is intentionally designed to be very challenging, as stated in the game's description. Although the difficulty was previo…
Patch notes2 changesPerformanceBalance - 13 The Longed-for Revenge of Undecember
V3.0.3 Patch
Thank you for playing my game!
Announcement - 13 The Longed-for Revenge of Undecember
V.3 Release!
Balance Adjustments #2, New Features & Optimization Details: Adjusted difficulty balance Added Achievements Added time tracking feature Spatial distortion sound sync implemented[Beta] Optimization improvements Minor bug…
Announcement5 changesBalanceGameplay - 13 The Longed-for Revenge of Undecember
V2.2.0 Patch
Fix Small Bugs Plus Achievement Better Performance Brighter Vision Reflects Feedback Difficulty reduced And so on...
Announcement2 changesPerformanceGameplay - 13 The Longed-for Revenge of Undecember
V.2 Release!
Balance Adjustments & Minor Bug Fixes Details: Increased gap between Lucid and Sink modes Buffed cigarette ability Improved item acquisition issues Enhanced hint system Reduced Heyum's vision and reworked Lucid mode abi…
Store6 changesFixBalance - 13 The Longed-for Revenge of Undecember
13% off — for 13 days.
To you, who will always long for the 13th Month — we're still here, waiting. Event Period: ~ August 7 (13 Days) Discount: 13% OFF Share your thoughts. Your review might be the only light for those who enter UNDECEMBER n…
Announcement5 changesBalanceGameplay - 13 The Longed-for Revenge of Undecember
V1.1.0
Update for smooth game playing :)
Announcement - 13 The Longed-for Revenge of Undecember
Launch Incoming! Add to Your Wishlist Now!
Add the game to your Steam wishlist today so you don’t miss out on the release, updates, and special launch content! Coming July 25!!
Announcement1 changeGameplay
