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
Super Famicompo 5
Super Famicompo #5 has now begun! Check out the details, including the return of the Challenge category, here: https://smwc.me/1627112R.I.P. SMWCentral Twitter Account (2012-2023)
Announcements will only be posted on our Discord server and the front page from now on.
Results of the 2023 Overworld Design Contest
The results of this year's OWDC are in, check out who won right over here!
Latest Content
Mega Man 5 - Charge Man (Mega Man X2 Style)
Based : Wheel GatorNote: for inserting in hacks use the "ChargeMan_X2.txt", not "ChargeMan_X2_original.txt" (or it'll mess up the SPC master volume).
Unforgiving Tower 3
A tower with 25 floors and a boss every 5 floors.
Super Mario World - Giant Football
A Giant Football that I made myself.These graphics we made for this custom sprite.
Requested by Green.
Single Sprite 5 Eeries
This is a version of the "Group of 5 Eeries, Wave Motion" sprite that consolidates all 5 Eeries into a single sprite. This allows many more to be onscreen at one time, and also gives a performance… (read more…)
Action on Enemy Defeat
This UberASM will run an action whenever Mario defeats an enemy (killed by jumping on them, with cape, shells, star, sliding etc.). You can choose between some premade options (switch ON/OFF, hurt… (read more…)
One File, One Player
This patch functions similarly as Noobish Noobsicle's patch, limiting the game to one save file and one player, making it so on a fresh start the game is started as soon as pressing a button on the… (read more…)
Modified @7 as Organ
A modified version of @7 (SMW's Steel Drum sample) where the beginning is cut off, making the sample sound like an organ.Mario's Grand Adventure
All 34 Exits, Because AppleBoy54321 Not Saved Prompt In Special Level 6 - Goombania Ruins, Saved at "6-F Junior's Castle".
Content of the Day
Animation-Dependent Blocks v1.1
Blocks that behave differently depending on the current exAnimation frame.
Package includes "hurt on certain frames" block, "kill on certain frames" block, and "disappearing/reappearing"… (read more…)
Comeback to Yoshi's Island 2.0
You did see the demo at the C3 Summer 2019, but now I'm going to make the 2nd demo official, by uploading it right here on SMWCentral. I present the improved version of 'Comeback to Yoshi's Island'.… (read more…)
Super Mario Galaxy - Gateway Galaxy
The first planet of Super Mario Galaxy (Rosalina's planet). A calm song who can suits for cutscenes, sky or space levels for example. No credit needed but I'll appreciate ^^ Update… (read more…)Shining Stars 2: Mirror Madness DEMO (C3)
The demo of SS2! This contains 36 stars, new music and a custom bowser battle stage! This is also a C3 special!
Abstract Earthbound/Mother 3 BG Collage
I decided I'd make an abstract background with EarthBound and Mother 3 graphics. It loops horizontally.
Ghosts and Bat Flock Init Fix
When a ghost or bat swarm is active and the sprite produce that swarm enters the screen, Fix a problem that caused the ghost or bat swarm to reset.
Sidestepper
A crab that walks, and if hit, will become angry and faster. A second hit will stun it for a short period, leaving it open for defeat. After this period it'll hop back up in a new color and move… (read more…)
Modern Starman
This uberasm increases Mario's P-speed and reduces the amount of time required for P-speed while he has a Starman active. Check the asm file for customization options.