The following paper provides a technical and contextual overview of for the Nintendo Switch, specifically focusing on its XCI file format and its unique "physical-only" distribution model. 1. Game Overview
Each stage contains a hidden underground area with an additional boss. These are accessed by destroying specific tiles on the ground.
A vampire and a gunslinger team up to seek revenge on a demon who stole the vampire's chalices and slept with the gunslinger's estranged wife. 2. The XCI File Format
, developed by Gumbuster and published by Devolver Digital , is a top-down, retro-style bullet-hell shooter. It gained significant notoriety in the gaming community for being released exclusively as a physical cartridge , with no official digital version available on the Nintendo eShop. Genre: Vertical scrolling shooter / Roguelite.
Unlike NSP (Nintendo Submission Package) files used for digital titles, XCI files include "padding" data to match the standard physical cartridge sizes (e.g., 1GB, 2GB, 4GB, or 8GB), regardless of the actual game size.
In the context of the Nintendo Switch, an file is a raw image of a physical game cartridge. Because Demon Throttle was only released physically, the XCI format is the primary way users interact with the game's data for archival or emulation purposes.
Designed primarily as a two-player experience, though it is playable solo.