Notice

◈ New Song Update
• Waiting For U – Kakusan
• Ready to Burst SHD – SneakySN

◈ New Features & Improvements
• O2DAY Mark Added
A new O2DAY mark has been added to the song list tab, allowing you to easily identify songs included in the “All Paid Songs Free” event held on the 2nd of every month.

• Score Calculation Bug Fixed
Fixed an issue where scores were incorrectly calculated when achieving ALL COMBO on certain UHD difficulty songs.

Attention to those who missed the Jan 2nd O2Day!
Special O2Day Returns on the 10th! We prepared this encore event for all O2Jammers who felt left out.

🗓️ Event Schedule: January 10th (KST)

✨ 6 Special Gifts! ✨

1. All Paid Prime Songs Unlocked for Free!

2. 2x Gem Rewards for playing songs!

3. Top Player (Most Songs Played - 1 person) 👉 O2Jam Premium Membership Annual Subscription

4. Participating Players (Raffle - 5 people) 👉 Prime Music Pass Monthly Subscription

5. [Referral Event] Top Referrer (1 person) 👉 O2Jam Premium Membership Annual Subscription

6. [Referral Event] Referrers (Raffle - 10 people) 👉 Prime Music Pass (5 people) / Original Music Pass (5 people)

📌 Event Notice

• Subscription prizes will be sent as promo codes to the email address used during registration.

• A successful referral is defined as a new user successfully entering the referral code on the day of the O2Day event only.

• Event prizes are subject to change after prior notice due to internal circumstances.

• Winners will be notified individually via the email registered to their account.

• Any fraudulent activity will result in disqualification.

• Duplicate wins are not allowed.

• In the event of a tie, winners will be selected via a random draw.

◈ New Song Update

Two new high-difficulty tracks have been added!

• The Last Witch SHD – Transin

• Flashing Lights SHD – Turbin Boyz

◈ New Features & Improvements

• Note Calibration Added

Fix slight timing discrepancies between the music and notes during gameplay.

How to set: [System setting] > [Game] > [Note Calibration ON/OFF]

• Touch Interference Issue Improved

Fixed an issue where judgment buttons overlapped or were triggered unintentionally.

• New Lobby One-Line Notice

Quickly check various game updates and event announcements directly from the lobby.

• Improved Results Screen

Your nickname and country flag will now be displayed on the results screen.

Verify and share your record more clearly with screenshots!

🎵Winter with O2Jam!

A festive celebration overflowing with the newly added Gem Money rewards awaits you!

From exclusive special events for Premium Membership and Prime Music Pass users

to the ultimate global competition that crowns the strongest rhythm champion—

Become the brightest player of the Winter Festival in O2Jam!

💎Gem Money can be used for future O2Jam Coins, merchandise,

and various O2Jam-related purchases and activities!

1️⃣ Overall Ranking Championship

Players who reach the Top 100 in the Overall Ranking during the event period

will receive the newly added Gem Rewards!

🎁 Event Rewards :

1st Place : 💎 300,000 Gems

2nd Place : 💎 200,000 Gems

3rd Place : 💎 100,000 Gems

Random Draw (3 players within Top 100) : 💎 30,000 Gems

2️⃣ Prime Music Challenge

Play all 17 high-quality Prime tracks, including the newly added Prime songs,

and aim for the top with your highest score!

Challenge yourself and earn even more Gems through your best performance!

🎵 Event Song List

-Prepare for Inversion - 胡桃

-Finalize - SneakySN

-UNIVERSE - zomay

-Dystopia SHD - mirakudo

-BADHAViTZ SHD - Reku Mochizuki

-Sailing Beyond the Fading Stars SHD - JAGAM

-BADHAViTZ - Reku Mochizuki

-Destiny Of Fate (XrX Ver.) - Studio Doma

-Feel The O2Jam (XrX Ver.) - BeautifulDay

-Until You Come Back (Origin) (XrX Ver.) - Impact Line

-BMP (XrX Ver.) - Studio Doma

-EgyptDJ (XrX Ver.) - Studio Doma

-Future Shock (XrX Ver.) - Studio Doma

-I Need Your Love (XrX Ver.) - Red Pulse

-Marvel Super Miracle (XrX Ver.) - Studio Doma

-MINUS 5 (XrX Ver.) - Studio Doma

-Painful Song (XrX Ver.) - BeautifulDay

🎁 Event Rewards :

1st Place : 💎 600,000 Gems + 1 O2Jam Premium T-shirt + 'Sailing Beyond the Fading Stars' Signed Poster

2nd Place : 💎 400,000 Gems + 'Sailing Beyond the Fading Stars' Signed Poster

3rd Place : 💎 200,000 Gems + 'Sailing Beyond the Fading Stars' Signed Poster

Random Draw (5 players selected from all participants) : 💎 100,000 Gems + 'Sailing Beyond the Fading Stars' Signed Poster

🗓️ Event Period : November 21 (Fri) ~ December 31 (Wed), 2025 (KST)

👑 Check Ranking

https://rank.o2jam.com/content/leaderboard-new/event/winter-festival/

⚠️ Notices :

-The shop where Gem Money can be used will be announced at a later date.

-Duplicate winnings by the same participant across different events are not allowed.

-Players found using macros, exploiting bugs, or engaging in any fraudulent activity will be excluded from winning.

-Event rewards may be changed with prior notice due to internal circumstances.

-Winners will be notified individually via the email provided during account registration.

-In the case of a tie, the winner will be determined by a random draw.

-Event songs may be added depending on future updates.

◈ New Song Update

A total of 7 new songs have been added!

• Prepare for Inversion - 胡桃

• Finalize - SneakySN

• UNIVERSE - zomay

• Dystopia - mirakudo

• Summer Vacation! - AnchoV

• Dystopia SHD - mirakudo

• BADHAViTZ SHD - Reku Mochizuki

◈ New Feature Updates

- Gem Money System Introduced

You can now earn Gem rewards by playing songs!

Gems will be used in various upcoming content, so keep playing and collect them.

- Song List Sorting Feature Added

You can now sort the song list by level or title, allowing you to find the tracks you want more quickly and easily.

- Search Function Improvement

Search for artist names and song titles has been unified into a single search system.

This allows for a more intuitive and faster search experience.

- Official Channel Shortcut Buttons Added

Buttons have been added in the app to directly access the official Twitter(X) and YouTube channels. Check out the latest news and content even faster!