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
15 Years of The SMWCentral Music Tourney!!
It's time once again to listen to some banging tunes as nominated by our community!! This year the prize will be free tickets to Nintendo World in Orlando, Florida!! Wow!!!!!
Click here to find out I was lying about the prize, but also to go nominate three of your favorite songs. Remember, the deadline is Saturday, 5/24, 4:00 PM EST!
Overworld Design Contest 2025

It's time for the 2025 Overworld Design Contest! Let's see all those fun and unique worlds!
Be sure to check out the Rules & Submissions thread to get started!
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.
Latest Content
Mega Man 4 - Wily Capsule (MM7 Style)
Legendary final boss theme from Mega Man 4. Sampled variation of my very first SMW port. Uses samples from Mega Man 7. Fits in boss fights, such as final bosses. Surprisingly, this loop could work… (read more…)20 Challenges: Episode 4 - Temple of the elements

Diagonal Turn Block Bridge

Note that due to the amount of processing time this sprite takes, SA-1 may be needed for a better experience.
Overworld Player Sprite Expansion

Crash Bandicoot

No Carrying Pass v1.1

(done on MetaKnight's request)
Knight of Time update: Made the block SA-1 compatible and added a gif of the block in action.
Johnny Test Whip Crack
The whip cracking sound effect from Johnny Test that probably gave you brain damage as a childspct

Content of the Day
Tide Sprite Interaction Fix
The sprite<->tide interaction code is messed up in the original SMW. While the original levels never seem to run into this problem, you can find it if you e.g. place some floating platforms (5B… (read more…)Comeback to Yoshi's Island 2.0

Construction Site

No credit required but would be nice.
Super Luigi: King Koopa and the PU

#lessoptimized
All currently found samples from Super Mario World, ripped from their original sources for higher quality sound. I know I mentioned this in the old description but DON'T REPLACE YOUR ROM'S SAMPLES… (read more…)SimCity (SNES) - Problem
Could fit in cutscenes.Bowser Blade

Vertical Level End Fix
