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!
Calendar
Recent News
Results Show SMWC Has That Dawg In Them
30 in fact, plus cats, fish and more!
VIEW THEM ALL HERE
New Changes to the Event Calendar
We have a major calendar update to share! We have decided to cancel HLDC this year, and replace it with our very first Super Mario Bros. 3 Hacking Contest!!! The contest will take place at the same time, October 1st-23rd.And for those Halloween fans out there, don't fret! We'll have some other events ready to take the place of HLDC. Probably
Results are out for QLDC #2!
It's time to see how questionable everyone was this year!
(click image for results post)
Latest Content
Boards of Canada - Dawn Chorus (bass remix)
This remix was done using a custom bassline I've found to be fitting with the song and a rhythm found in a bootleg song by the band. It also brings little variations in the flute and choir lines… (read more…)Super Mario World 2: Yoshi's Island - Castle Sprites
I decided to draw castle sprites YI style. All use the same palette as Tap-Tap the Red Nose with only 1 color change. While Thwimp can be used with no problem as long as you use Tweaker, this version… (read more…)
YI Floating Rock
This rock, found in 3-7, floats on the water. If stood on, it tilts to the side and you slip off. Make sure to enable sprite buoyancy.
1.1 update: SA-1 compatibility. For lorom, delay before… (read more…)
Coin Penalty at Death
This is a customizable patch that will cause the player to lose a specified number of coins upon dying. It should be pretty easy to use, though additional details are included in the readme and the… (read more…)Beginning of the End
I wondered to myself
Can I make a beginner hack.. that I still think is personally interesting?
So I set out to find out.
I asked my other personalities, “Hey, what do you guys… (read more…)
Snes9x v1.62.3
Includes both x86 and x64 versions.
Newest version of Snes9x for Windows, released March 30, 2023. Release page with full changelog here, along with source code and builds for Linux, macOS and… (read more…)
Every Level Ludwig!
All 9 exits, saved in 'Starting Point House'.
Press R to Change Power-up on Overworld
Power-up farm no more!
Simple bit of UberASM to change player power-up state with a button press, in this case R to avoid commonly used buttons. Includes an option to store the same power-up to… (read more…)
Content of the Day
Kamek's Revenge (v2.0)
This is a hack by S.N.N. When he made 1.0 there were many bugs and some missing Extra levels. Then Zeldara took over, fixing many bugs and adding some Extra levels to make 1.96. However, one level… (read more…)
Sutte Hakkun - Stage 7
Warning: Uses 4 full palette rows + 4 graphic slots!The background from the seventh stage in Sutte Hakkun. Once again, no credit needed.
Zap Lena World
{ENGLISH}
After a long time, I decided to release an update, which is actually a remake.
The hack's graphics are simply 100% different. And a phase has been replaced, compared to the previous… (read more…)
Gunbound - Waiting Room
Good for city or industrial areas.Made by request.
SM64: Boonster's Peril
Mario goes to an immense dark tower where he could find Luigi, but this tower will make his peaceful night time a perilous quest! Based on a level from Super Crash 64.
Movement Boost on Time Low
This simple UberASM enhances Mario's speed and acceleration physics when the timer falls below 100. As well as making his P‐Speed faster, it also allows him to turn quicker, travel much faster in… (read more…)
Rexes With Extra Bit Set Are Squished
This patch makes rexes with extra bit set (Edit > Insert manual in sprite editing mode, Sprite command AB, Extra bits 1) to spawn squished.
You can change the way the patch is implemented by… (read more…)
Nintendo BS-X Magazines
This is the full set of samples used in various Nintendo BS-X Magazines.A few of them comes from SMW with different Tunings and ADSR, and the other works well with original SMW samples.