Welcome to SMW Central!
SMW Central is the largest ROM hacking community on the internet, and the gathering place for all the resources you need to create your own ROM hack. We offer a large selection of completed hacks as well, ready for you to play! Traditionally SMW Central focuses on hacking Super Mario World, but over the years we've collected a ton of resources and hacks involving other games, too. Our community is ever-growing — sign up now and be part of it!
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Recent News
VGM Guessing Contest Spring 2025: USB-C Adaptor Edition - RESULTS!!
GUESSING CONTEST
Do you like vigeo game? Do you like music? Do you like finally knowing what that one song that's been bugging you for the past month was? Come see the results here.
Hack Testing in SMW Central Discord!
If you're a member of the SMW Central Discord server, we've recently opened a space to connect creators with people interested in testing hacks.At this stage we're actively recruiting people who are interested in volunteering to test hacks from the community, if that sounds like you join the server and read the guidelines for becoming a tester and apply!
QLDC #3 Results!
The results are out for 2025's Questionable Level Design Contest: See Who Won! →
Latest Content
Flowery Grassland
Originally an update to my old ugly-looking grassland tileset. I decided that this one looks different enough from the other one, so I'm releasing it separately.
Features:
- Uses 100% vanilla… (read more…)
A Supposedly Fun Thing I'll Never Do Again
After making 2 hacks that had a bit of a silly lore/story focus, I wanted to get away from that for my next hack. So this is not a prequel or sequel. It's just a collection of kaizo levels I had fun… (read more…)
Moving Along
Intented to be used as a grassland or an athletic themeOverworld Layer 1 Events
This patch allows you to make events that change layer 1 tiles on the fly: it basically works the same as the vanilla silent layer 1 events, but the changes are applied immediately instead of having… (read more…)
Rip Van Fish Z
A disassembly of the Rip Van Fish Z minor extended sprite. Spawned by sleeping Rip Van Fish, it floats up and pops.
Check the .asm for how to make the vanilla or disassembly Rip Van Fish spawn… (read more…)
Johnny Test Whip Crack
The whip cracking sound effect from Johnny Test that probably gave you brain damage as a childspct
spct is a little command-line tool for Linux, MacOS, and Windows that can play and render SPC files. Very useful for platforms that other SPC players can't compile for.
Licensed GPLv3 - source… (read more…)
Event Camera Pan
This UberASM allows you to make the camera scroll to a specified location when running an event (either at the start or before a certain step in the middle of the event), and then return back to its… (read more…)
Content of the Day
Contra: Hard Corps - Base
Ripped By: Rykon-V73
Updated By: S.R.H.
Original Description: "I forgot where is this BG used. My first Genesis rip. Enjoy!"
Changes: Bin file converted to Map16. Palette file doesn't… (read more…)
SM64 Twisted Adventures (UPDATE)
UPDATE - Fixed the PPF file since some people had trouble patching it.
At the time of submission this hack holds the record of most stars ever conceived in a major SM64 hack, created by… (read more…)
Super Mario Stole the Souls of the Innocent and Now Must Climb a Tower to Reclaim his Humanity World
Mario did inconceivable acts upon humanity and was sent to some weird offshoot of hell as a result. Get him out of there! ᵒʳ ⁿᵒᵗ1 Exit, 8 sections, 99 s̶o̶u̶l̶s̶ lives.
Playersounds Compiled '23
This is a new compiled sample collection, featuring 640 BRR samples of entertainment, sound effects and techniques achieved in the year of 2023, including drum kits.Spike Top
This is a disassembly of the Spike Top, sprite 2E in SMW.When the extra bit is set it can start on the ceiling as well.
Andy's Note: You are my hero!
Sprite Shooting Ability for Mario
Allows you to shoot normal or custom sprites by pressing a button. This one allows you to limit how many sprites can be spawned, and adds an option to despawn any sprite spawned by this method*.… (read more…)
Lemmings - A Beast II of a Level
The unnamed theme from one of the four special levels of Lemmings, A Beast II of a Level. It's fairly short, so it would probably work best for a dark overworld map, or a very short level segment.Extended Overworld Level Names v1.1
This patch allows you to have level names of 38 characters long, distrubuted into 2 rows of 19 character each. Originally made by Smallhacker. Minor tweaks and improvements by Zeldara109 and Shiny… (read more…)