The crossover was announced by Nintendo of America via Twitter on September 25, 2020 and distributed to players who downloaded the game's Fall update, which launched on September 30, 2020.
Both titles are available on the Nintendo Switch, with Ring Fit Adventure developed and published by Nintendo and released on October 18, 2019, and Animal Crossing: New Horizons developed by Nintendo EPD and released on March 20, 2020.
The Ring-Con addition is a cosmetic furniture piece intended for players who recreate real-world gear inside their virtual homes.
Nintendo of America stated that a Ring-Con item from Ring Fit Adventure would be sent as a gift to all users who downloaded the Animal Crossing: New Horizons Fall update.
That announcement was made through the companys official Twitter account on September 25, 2020.
Nintendo has not provided detailed information on any special interactions for the Ring-Con item in New Horizons beyond its availability as a gift.
Players who want the item need only update their game to receive the free furniture piece; no purchase is required.
The Ring-Con itself is the primary peripheral included with the Ring Fit Adventure package on Nintendo Switch, used alongside a leg strap to register player movement and fitness exercises in the original game.
This promotion is one of several instances where Nintendo has paired elements from one of its hardware-driven titles with Animal Crossing: New Horizons to offer players novelty items.
The cross-promotion leverages Ring Fit Adventures recognizable peripheral to give New Horizons players an additional customization option, while also highlighting Nintendo's tendency to support the Switch ecosystem with interlinked content and free updates.
For Switch owners who missed the update window, the Fall update and the Ring-Con gift were made available through standard online distribution; players with an internet connection could download the update from the Nintendo eShop interface or through the consoles system update process.
As always, players should ensure their copy of Animal Crossing: New Horizons is updated to the latest version to receive official content and gifts from Nintendo.