Nintendo Switch Online's Pac-Man 99 Is Being Delisted in October - IGN

Online services for Pac-Man 99 will be discontinued later this year, though some game modes will continue to be available for some past October.

Namco Museum - Wikipedia

Pac-Man 99 Being Delisted in October - Siliconera

The Verge Archives - Nintendo - Page 6

Sonic the Hedgehog - Wikipedia

Namco have already delisted & shutdown PAC-MAN 99 on Nintendo Switch despite having offline gameplay

Pac-Man 99

Pac-Man 99 - IGN

Game News Roundup: May 2023 – The Avocado

IGN India

PAC-MAN 99 to be delisted on October 8 - Gematsu

IGN Africa

News - September, 2023

IGN India

Manhunt 2 – Delisted Games

The Game N Watch Podcast a podcast by Fines Dabbs (Our View Gaming) & Justin Reed (TWOTALL4UFOOL)