White Cat Project NEW WORLD'S is in the middle of its White Cat Music Festival, with the "CurtainCall Symphony ~The Melody of the End and the Beginning~" event running through October 30, 2026. On the spin-off side, Colopl has set a firm end date for Shironeko GOLF service: January 15:59, 2027.
Two different corners of the White Cat Project name are in different phases. The mainline game, White Cat Project NEW WORLD'S, is running a commemorative event tied to the White Cat Music Festival. The event, "CurtainCall Symphony ~The Melody of the End and the Beginning~", began with the festival on Thursday, September 24, 2026, and the event itself runs from Wednesday, September 30 at 16:00 to Friday, October 30 at 15:59. The premise is that Noctarica and Ariashika take a request to compose a song. Both characters appear in a gacha as 4-star and 5-star units.
The spin-off, Shironeko GOLF, is ending. Colopl announced on October 6, 2026 that the smartphone golf game, which launched on October 26, 2022, will close on January 13, 2027 at 15:59, a run of about four years and three months. The shutdown is staggered: new Premium G Jewel purchases stopped on October 6 at 16:00, and new subscription acceptance ends November 3 at 16:00.
Taken together, the Shironeko name is currently doing two things at once. It is carrying a music-festival event with new playable units through the end of October, and it is winding down a spin-off that put the same characters into a golf format. The end date for the golf game is fixed, and the staggered cutoffs mean users keep access until the January close even as new purchases and subscriptions stop.
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Colopl announced on October 6, 2026 that Shironeko GOLF, its smartphone golf game built around characters from the Shironeko series, will end service on January 13, 2027 at 15:59. The game launched on October 26, 2022, making the run about four years and three months. New Premium G Jewel purchases stopped on October 6 at 16:00, and new subscription acceptance ends November 3 at 16:00.
The game White Cat Project NEW WORLD'S is running a commemorative event, "CurtainCall Symphony ~The Melody of the End and the Beginning~," as part of the White Cat Music Festival that began Thursday, September 24, 2026. Noctarica and Ariashika take a request to compose a song. A character gacha offers both as 4-star and 5-star units, with the event scheduled from Wednesday, September 30 at 16:00 to Friday, October 30 at 15:59.