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
Learn To Shell Jump

Super Tetris - Title (Music 1)
Requested by Win72010.A pseudo MS-DOS styled port of title theme from SUPER TETЯIS. Try to find a good use for this aside from title screens or cutscenes.
Adventure Island - Coyote

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
boost block up regardless of holding jump
Unlike other boost blocks hosted on smwc (not really, mainly made by blockreator), this block will cause the controller to automatically hold or disable the jump button as he flung up, making it so… (read more…)Foxx BGN World

The Lost Vikings
This is a GREAT compilation which contains all of the instruments, percussions, and SFX samples used in said game.Atmosfear - Samedis Club

It uses 2 slots and 1 palette row
Fire Pillar

Seaside Village

Kirby's Dream Land 3 - Sand Canyon 3
Straight from that pyramid level in the game. I think it would work well for icy or even cloudy areas though.Reverse Coin Counter

Requested by NopeContest.