We strongly advise against simply searching for "super mario 2d world deluxe download pc" on random ROM sites. Those files often contain malware, and downloading copyrighted content is illegal. Instead:
: The developers often host the latest builds on Game Jolt.
If you want the best 2D Mario on PC, this is it. Happy to share the patch links via DM (no ROMs, just mod files).
Uses a high-quality pixel-art style that blends the nostalgia of the 90s with modern environmental effects. Why PC is the "Better" Way to Play