Status
SteamPeaks
ChartsSalesUpcomingPatchesEventsCalculator
New on SteamEvery app, DLC and depot the minute Steam creates itAppsEvery app on Steam, newest change firstPackagesSubs and bundles, and what each containsDepotsDepots, manifests and install sizesTagsSteam's user tags and the games under themDevelopers & publishersCompanies and their cataloguesTechnologiesEngines, SDKs and anti-cheat found in the filesChange historyEvery PICS changelist as it lands
SignalsNineteen readings of the whole catalogueCompareAny games side by sideRecordsAll-time peaks and the days they were setReportsWeekly and monthly write-upsAlerts & newsroomWatch a game, get told when it movesSteam statusIs Steam up, right nowWeb API explorerTry the endpoints in the browser
EventsSteam's own events and the sales calendarCalculatorWhat a Steam account is worth, and its pile of shame
/
Sign in
/
SteamPeaks
The ultimate resource for Steam data.
ExploreChartsSalesSales and festsUpcomingPatchesEventsRecordsTrendingSignals
DatabaseAppsPackagesDepotsTagsDevelopersTechnologiesChange history
ToolsCalculatorCompareSearchAlertsSteam statusAPI
SiteMethodologyFAQDiscordSupportSign in via Steam
Not affiliated with Valve or Steam. Game names and artwork belong to their owners. All times UTC.
PrivacyCookiesFair useStatus
Mahjong Soul›Events›THE IDOLM@STER SHINY COLORS × Mahjong Soul Collaboration
Major update

THE IDOLM@STER SHINY COLORS × Mahjong Soul Collaboration

Mahjong Soul · published 21 months ago

All eventsPlayers around this dateRead on Steam

Watch on YouTube

New Event: Shiny Concerto


1) Event Period: 11/24 After maintenance - 12/15 1:59 P.M. (UTC-7)
2) Event Details: Noctchill, the super popular idol group, arrived in One Han City by accident. They now need to perform a live concert and build up enough popularity here before heading to their planned next stop.
Help the idols win over the citizens in a more localized way!
During the event, you can accumulate Popularity by playing Ranked Match or Event Match. Completing grants you Cupcakes, which can be used to Level Up skills and enhance the efficiency of obtaining Popularity.
When you reach the required Popularity, you can claim Summon Scroll, Collab-limited Illustration, and Sage's Bag as rewards from on the event page!
When a certain time arrives, you can view the idols' wonderful journey from on the event page.
Special Rules: During the event, you can experience the special gameplay "Limitless Asura" in the Event Match, where you will be randomly matched for the game. Additionally, the Friendly Match mode with the same rules will be temporarily available during the event period. Advanced settings will not be supported and Missions cannot be completed in this mode.

*Limited Collab Illustration can only be obtained in this event, which will NOT APPEAR in Illustration Shop in the future.
*Ranked Matches and Event Matches will count towards completing daily event missions, while Friendly Matches will not. More details can be found on the event page.

New Collaboration Jyanshis, Special Effects and Decorations Limited-time Rate-up in Collaboration Limited Summon


1) New Summon: Sakura Special Collab, Bamboo Special Collab, Collaboration Jyanshis, Decorations, Special Effects will be added and have a limited-time rate up during the collaboration event period in the 2 new Summons. Other than collaboration contents, the rest of the items in the new Summon are the same as the items in regular Summons.
Open Period: 2024/11/24 After maintenance - 2024/12/15 1:59 P.M. (UTC-7)
2) New Collaboration Jyanshis:
Toru Asakura, Madoka Higuchi, Koito Fukumaru, Hinana Ichikawa
3) New Collaboration Special Effects & Decorations
, , , ,

New Collaboration Outfits: Leisurely Grace


1) Available Period: 11/24 After maintenance - 12/15 1:59 P.M. (UTC-7);
2) Limited time Collaboration Outfits in Outfit Shop:
, , , .

*You need to have the characters to equip their outfit(s).
*You can check currently owned outfits in Item - Outfit.
*You can go to Dorm - Character - View and click the character's avatar to change the outfit.

New Quick Character Switching Feature & Random Character Selection Feature


1) You can now conveniently switch your currently used character/outfit via the button located at the bottom left corner of the game hall.
2) Through the button at the bottom left corner of the game hall interface, you can set the range for the random selection feature (you can choose from characters/outfits you already own). When starting a match in Ranked Match, Tournament Match, or entering a Friendly Match Room, a character/outfit will be randomly selected from the configured list.
*Please refer to the in-game performance for detailed rules.

New Updates


1) Optimized the selection range of default characters/outfits when adding AI in Friendly Match (characters/outfits will be randomly selected from the room owner's non-hidden characters).
2) Reduced rank and match frequency requirements for some daily quests.
3) Optimized the description of the "New at the Shrine" Friendly Match quest (actual completion conditions remain unchanged).

More from Mahjong Soul

Other announcements

All events
News19 Aug 2026Beachside Cabana Limited-Time Events1. New Event: Beachside Cabana 1) Event Period: 8/18 After maintenance – 9/8 1:59 P.M. (UTC-7); 2) Event Details: During the event, complete missions to earn exciting rewards, including Limited Title, Limited Tile Call Indicator, Event Illustration, Summon Scrolls, Sage's Bags , and more! *More details can be found on the event page. *Matches played against AI do not count towards event mission…News22 Jul 2026Winged Slumber Limited-Time Events1. New Event: Winged Slumber 1) Event Period: 7/21 After maintenance – 8/4 1:59 P.M. (UTC-7); 2) Reward Redemption Period: 7/21 After maintenance – 8/6 1:59 P.M. (UTC-7); 3) Event Details: The event page will update event missions every day at 2:00 P.M. (UTC-7) . Complete event missions to get reveal attempts and discover secret rewards! 4) Event Rewards: After earning reveal attempts, you can…News17 Jun 2026AKAGI X Mahjong Soul Collab Rerun1. New Event - The Night of Legends: Shadows Reborn 1) Event Period: 6/16 After maintenance - 7/7 1:59 P.M. (UTC-7) ; 2) Event Details: The legendary night returns, bringing with it the highly anticipated special rules! Step up to the table and claim exclusive rewards! Complete event missions to earn Wagered Blood. Collect enough Wagered Blood to claim rewards, including a Limited Collab Backgr…