An NSP (Nintendo Submission Package) is a digital game file. Leo owned a legitimate physical copy of Chants of Sennaar on Switch. Using open-source tools, he extracted the archive’s contents into a folder, then compared the assets—fonts, glyph sprites, audio files—to his own cartridge dump. Identical.
The file wasn’t the story. What Leo did with it was. Chants-Of-Sennaar-NSP-Base-Game-Romslab.rar
He didn’t just extract it and run. Instead, he wrote a guide—not for piracy, but for preservation and understanding. An NSP (Nintendo Submission Package) is a digital game file
One rainy afternoon, he stumbled across an old hard drive labeled “Garage Sale Haul – 2019.” Buried in a folder called “Mystery_Archives” was a single file: Identical
Instead of launching the game, Leo opened the asset files. He noticed the “glyph” textures were high-resolution, perfect for study. He created a free, printable PDF guide called “The Translator’s Companion”—a poster of every in-game symbol and its discovered meaning, arranged by tower level. He uploaded it to a fan forum under the title: “Decryption aid for Chants of Sennaar (no spoilers).”
His heart skipped. Chants of Sennaar was a breathtaking puzzle game about deciphering ancient glyphs and reuniting divided peoples. He’d played it on PC, but this was the Nintendo Switch version—an NSP file.