If you are looking for a deal that isn't currently on the eShop, several major retailers sell digital download codes. These stores provide you with a 16-digit code that you can redeem on the eShop.
You can often find a "Great Deals" section with massive discounts. If you have a Nintendo Switch Online membership, you can also purchase Game Vouchers to get two major titles for a set, discounted price. 2. Major Authorized Retailers (Digital Codes)
For many gamers, downloading Switch games is the fastest and most convenient way to build a library. While there is only one official storefront built into your console, there are several reputable retailers and services where you can find digital deals, free-to-play titles, and official download codes. 1. Nintendo eShop (Official Marketplace)
It offers instant activation and is the only place to redeem "Gold Points," which you earn on every purchase to use as a discount on future downloads.
The is the primary and safest place to download games directly to your Nintendo Switch. It is accessible through the shopping bag icon on your console’s home screen and carries everything from first-party Nintendo blockbusters to smaller indie titles.