Rather than downloading pre-compiled ROMs from sketchy websites, download the standalone undub audio patch files from trusted emulation and modding forums. You can place these files directly into your 3DS SD card's luma/titles/ directory or your emulator's mod folder. This eliminates the risk of downloading malware disguised as game files.

The game takes place in a post-apocalyptic world, where the protagonist, a samurai, finds himself in the midst of a world crumbling due to a cataclysmic event known as the "Great Flood." The story follows his quest to survive in a world filled with demons and other hostile entities. Along the way, he must make crucial choices that affect the fate of the world and its inhabitants.

Emulation allows you to boost the game's internal resolution from the native 240p of the 3DS up to 1080p or even 4K.

The 3DS dual-screen setup is heavily utilized by Apocalypse . The bottom screen displays a highly detailed map of Tokyo’s sectors, while the top screen delivers the sleek, dark, and visceral visual presentation of the demon world.

A legally owned retail cartridge or digital eShop copy of the Western release.

The PlayStation Vita version offered improved graphics and a more intuitive control scheme, taking advantage of the Vita's touchscreen and rear touchpad. The PlayStation Portable version was more compact, with a focus on portability and convenience.

Shin Megami Tensei IV: Apocalypse stands as one of the finest role-playing games on the Nintendo 3DS, offering a dark narrative, deep strategic combat, and an unforgettable post-apocalyptic Tokyo. However, for many purists, the absence of the original Japanese voice acting in the Western release was a significant downside.