Nintendo UK announced on their X feed that Fitness Boxing would be delisted on November 30th, 2023 from the Nintendo Switch eShop. Other European Nintendo accounts have also confirmed the removal. Nintendo UK tweets:
From 30/11/2023, at 23:59 (UK time), it will no longer be possible to purchase the digital version of #FitnessBoxing.Nintendo UK Tweet – August 30, 2023
Nintendo further provided details on the official Nintendo UK website page for Fitness Boxing:
Important: From November 30th, 2023, at 23:59 (UK time), it will no longer be possible to purchase the digital version of Fitness Boxing or to download the demo. Users who have already purchased the software can continue to play or re-download the software and to download software updates beyond that time.Fitness Boxing on Nintendo.co.uk
Nintendo of America and Nintendo Japan have not posted any information as of this time regarding Fitness Boxing, but we’ll keep you updated if they do. Thanks for the submission, Tom Surtees / TomLegend101! I’ll add it to the Watch List, and we’ll get a game page up.