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
OLDC4 Results!
The moment you've been waiting decades for is here! OLDC4 Results have arrived and are ready for your viewing!
OLDC 4 Results
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!
Latest Content
Touhou Shinpiroku ~ Urban Legend in Limbo - Dichromatic Lotus Butterfly ~ Red and White (Star-Mix)
Did a short arrangement of Dichromatic Lotus Butterfly ~ Red and White from Touhou 14.5 Shinpiroku ~ Urban Legend in Limbo - Dichromatic Lotus Butterfly ~ Red and White. Decided to make this a… (read more…)Adventure Island - Coyote

Super Salary World

Mega Man 4 - Pharaoh Man

JukeboxBlock v1.1

Donkey Kong Country 2 Navigation Arrows

DMA Queue and Block Change Optimize v1.11

Johnny Test Whip Crack
The whip cracking sound effect from Johnny Test that probably gave you brain damage as a childContent of the Day
Hold X to Item Swim

Earthbound
All the samples from the game Earthbound, there's 173 samples in total of all kinds so have fun and all that.All tunings are in Tunings.txt inside the samples folder.
Yoshi's Island Finnish Translation

Almost everything has been translated.
Luigi Before the Egg 64 DX: Direggtor's Cut

Arcana - Silent Forest of Doubt
An eerie song from Arcana/Cardmaster. Good for Ghost Houses or overworld maps16x16 Pipe
This is a 16x16 pipe that can only be entered from above. What's special about this is you can't enter the pipe "from the edge of the block" and only if you are centered on it enough. ASMers can… (read more…)Super Luigi: The Regular Quest

Yoshi's egg, breaks on thrown objects

Credit is optional.