Update history
Latest O2Jam : The Beginning 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.
- O2Jam : The Beginning
2026 STEAM SUMMER SALE
[Sale Pack] 'O2Jam : The Beginning' MAIN TITLE View on Steam 'Classic Pack Vol.1' Classic Pack Vol1 'Discovery Special Pack Vol.1' O2Jam The Beginning Discovery Special Pack Vol1 'Discovery Special Pack Vol.2' O2Jam The…
Store8 changes - O2Jam : The Beginning
DLC Release Announcement - Discovery Special & Extreme Pack
Hello, this is "O2Jam : The Beginning". We are excited to introduce a special package for all O2Jammers who are ready to discover hidden gems with the outstanding quality and charm of O2Jam, as well as challenge themsel…
Event6 changesUI/audio - O2Jam : The Beginning
'O2Jam : The Beginning' ver. 0.21 Update Notice
We are excited to share the latest Early Access update news for "O2Jam : The Beginning". ver. 0.21 Major Update Details Added 31 Base Game Songs 31 original O2Jam classic songs have been added, allowing you to enjoy an…
Patch notes8 changes1 numericGameplay - O2Jam : The Beginning
'O2Jam : The Beginning' ver. 0.20 Update Notice
We are excited to share the latest new song update for O2Jam : The Beginning Early Access. Hidden Songs Added to Random Play – 2 Songs Official Addition of Existing Hidden Songs Miss U - EvsU Phoenix - SneakySN Prime -…
Announcement4 changesGameplayUI/audio - O2Jam : The Beginning
May 2026 Hall of Fame
🏆We are pleased to announce the Top5 O2Jammers who claimed the highest ranks in O2Jam during May 2026. Thank you for showcasing your true skills and pushing beyond your limits with outstanding performances.
Announcement - O2Jam : The Beginning
June 2 O2Day - 5x GEM Boost Event
"O2Jam: The Beginning" 7-Key Key Sound - Classic Track Addition Celebration! On June 2nd, O2Day, get a 5x GEM Boost! New items have been added to the GEM exchange event for our best-selling goods: Steam Redeem Codes, Pr…
Store2 changesUI/audio - O2Jam : The Beginning
DLC Purchase Event
Purchase Verification Event The very first DLC for O2Jam : The Beginning has officially been released. This meaningful DLC package restores the long-awaited 7-key original ke…
Announcement4 changesGameplayUI/audio - O2Jam : The Beginning
'O2Jam : The Beginning' DLC Release Celebration Discount Notice (~ 5/21)
To celebrate the release of the 'O2Jam : The Beginning' Classic Pack Vol.1 DLC, a special discount promotion is now underway. Experience O2Jam at a discounted price, complete with richer sound through the fully restored…
Store3 changesBalanceGameplay - O2Jam : The Beginning
[DLC] 1st DLC Release Notice - Classic Pack Vol.1
Hello. This is "O2Jam : The Beginning." We are excited to unveil the 1st DLC package for O2Jam : The Beginning. This package consists of original classic songs with the long-awaited 7-key key-sounds fully restored. Go t…
Store1 change - O2Jam : The Beginning
'O2Jam : The Beginning' ver. 0.19 Update Notice (Server Maintenance Completed)
The server maintenance for the 6th Early Access update of O2Jam: The Beginning has been completed. Version 0.19 Major Update Details 7KEY Key-sound Functionality Added 7-Key mode play with restored key-sounds will be ad…
Patch notes6 changesServerUI/audio - O2Jam : The Beginning
Server Maintenance Notice - May 14
Server maintenance will be conducted for the update of O2Jam: The Beginning. [Maintenance Schedule] May 14, 2026 (Thu) 05:30 ~ 08:30 (KST) [Maintenance Details] Add 7Key Key-sound functionality (Classic tracks only) Add…
Patch notes5 changesServerUI/audio - O2Jam : The Beginning
'O2Jam: The Beginning' 7-Key Note-Sound Restoration Preview
Hello, O2Jammers! This is 'O2Jam: The Beginning.' We are thrilled to finally unveil the development video for the 7-Key note-sound restoration, something so many of you have been waiting for. The core focus of this rest…
Announcement2 changesUI/audio - O2Jam : The Beginning
[Event News] Exchange Your GEM for Special National Museum of Korea Goods
Exclusive National Museum of Korea Goods: Exchange with GEM The GEM you’ve carefully collected—it’s now time to transform them into "Art in Daily Life." From the serene smile of the Pensive Bodhisattva to the vibrant Da…
Store1 change - O2Jam : The Beginning
'O2Jam : The Beginning' ver. 0.18 Update Notice (Server Maintenance Completed)
The server maintenance for the 5th Early Access update of O2Jam: The Beginning has been completed. Version 0.18 Major Update Details 7KEY Mode Added A new 7KEY mode without key sounds has been introduced, in addition to…
Event8 changesServerGameplay - O2Jam : The Beginning
Server Maintenance Notice - Apr 22
Server maintenance will be conducted for the update of O2Jam: The Beginning. [Maintenance Schedule] April 22, 2026 (Wed) 05:30 ~ 07:30 (KST) [Maintenance Details] 7KEY Mode to be added (Mode without Key Sounds) KPS Disp…
Patch notes6 changesServerGameplay - O2Jam : The Beginning
Server Maintenance Completion & Nickname Change Guide - Apr 14
The server maintenance for has been completed. The game is now available for normal access and play. [Maintenance Details] With the server separation from the mobile game , y…
Patch notes3 changesServerGameplay
