How to redeem game codes on the Nintendo Switch 2

Once the eShop loads, look for the Redeem Code option in the main menu. On the Switch 2, this appears in the left navigation ...

Here's where to get Nintendo eShop gift cards for your new Nintendo Switch 2

This cash can be spent on games (or DLC) via the Nintendo eShop and, unlike physical games, digital purchases don't require a cartridge, so can be taken anywhere easily. Although significant discounts ...
TweakTown

Nintendo clarifies how Switch 2 Edition games will work, confirms code-in-a-box option

TL;DR: Nintendo confirms that physical Switch 2 Edition games that include a Game Card will have both the original game and upgrade pack right on the cartridge. Nintendo confirms that physical, ...
Ars Technica

Nintendo imposes new limits on sharing for digital Switch games

In advance of the Switch 2’s planned June launch, Nintendo has released a system update for the original Switch that, among other things, activates the company’s new Virtual Game Card system for ...