Groove Coaster Wai Wai Party---- -nsp--update 1... [updated]

: This mode automatically pairs you with opponents of a similar skill level. Each session consists of four songs, where your final position determines your "Ranking Grade". Private Match

It looks like you're referring to (often released on Nintendo Switch and PC), specifically mentioning an NSP update —which is a Nintendo Switch package format—and Update 1.something . GROOVE COASTER WAI WAI PARTY---- -NSP--Update 1...

Groove Coaster: Wai Wai Party!!!! is a rhythm game developed by Taito Corporation Nintendo Switch : This mode automatically pairs you with opponents

The early lifecycle of the game on Nintendo Switch involved several patches that addressed both technical bugs and content additions: Groove Coaster: Wai Wai Party

The game has expanded to over 340 songs , with 100 in the base game and over 240 added through continuous DLC packs featuring Vocaloids, anime, and other game franchises. Transition to the Future

did receive multiple updates adding songs, features, and DLC packs (including Taito, Vocaloid, Touhou Project, and more).

, Taito’s high-energy rhythm game for the Nintendo Switch, has seen consistent support through numerous NSP updates and DLC packs since its late 2019 release. While the game launched with a strong foundation of 112 songs, its evolution through patches has introduced transformative features like online multiplayer and extensive VTuber collaborations. Core Gameplay and Evolution