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
A coyote from Adventure Island. A flower is spawned in its place, and if player goes far enough past it, Coyote will spawn and try to catch up to the player. The color of the flower dictates what… (read more…)
Super Salary World
Bowser has lowered Mario's wage. Mario must find a way to get more money, but how will he do it?
The journey to get more money starts easy, but it gets more difficult the farther into it you… (read more…)
Mega Man 4 - Pharaoh Man
This is MisterMike's rip. Give credit to him. I converted it to SMW usage.
I had to use 2 palettes as I wasn't able to squezze the 2 colors into palette 2.
The torchlight colors do animate like in… (read more…)
JukeboxBlock v1.1
This is a jukebox block. It changes the currently playing music each time the player presses UP or DOWN. You can configure which songs the jukebox will play and also how many songs it can cycle… (read more…)
Donkey Kong Country 2 Navigation Arrows
Remember carol's old DKC2 Navigation Arrows? They're back, in UberASM form!
What this resource does is show arrows in the directions Mario can walk in while on the overworld.
This originally… (read more…)
DMA Queue and Block Change Optimize v1.11
This is a patch that provides a DMA queue system, allowing you change GFX in VRAM easier. It also optimizes SMW's block change routine to allow more blocks to be changed in a single frame without… (read more…)
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
While underwater, makes Mario act like he's holding an Item by holding X.
Intended purpose is for water levels, to make him Item-Swim without an item.
Also has the effect of letting him regular… (read more…)
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
This is a full Translation hack of Yoshi's Island.Almost everything has been translated.
Luigi Before the Egg 64 DX: Direggtor's Cut
A prequel set roughly 8-10 hours from "Luigi Floating on an Egg Over the Sea", the game is a linear, story-driven game taking place in the land of Subcon in the world of SMB2. It is also probably my… (read more…)
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
The 1.2 update contains various changes to the level design and a new story. See changelog for details. Still no World 2 yet, sorry! Someday...… (read more…)
Yoshi's egg, breaks on thrown objects
This yoshi egg only hatches when hit by thrown objects, like shells, thrown blocks and etc.Credit is optional.