No. Triangle Strategy is not an eShop exclusive. It received a full physical retail release worldwide. You can buy a game card for it at Best Buy, Amazon, or any local game store.
Always verify your file hashes against Redump or No-Intro databases. Avoid “pre-packed” XCIs from untrusted sources, as they often contain malware or corrupted update data. triangle strategy switch nsp xci update eshop exclusive
However, it is critical to distinguish between legitimate backup and piracy. If you own Triangle Strategy physically, creating your own XCI and layering the free 1.1.0 update NSP (by dumping your Switch’s eShop update data via or nxdumptool ) is your legal right under fair use in some jurisdictions. triangle strategy switch nsp xci update eshop exclusive