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
Hack Testing in SMW Central Discord!
If you're a member of the SMW Central Discord server, we've recently opened a space to connect creators with people interested in testing hacks.At this stage we're actively recruiting people who are interested in volunteering to test hacks from the community, if that sounds like you join the server and read the guidelines for becoming a tester and apply!
QLDC #3 Results!
The results are out for 2025's Questionable Level Design Contest: See Who Won! →
We're HIRING!!!!!!!!!!!!!
This is not part of an april fools joke. In matter of fact, we have some news for you.Applications for SMW Hacks Helper are now CLOSED!!
We will be hiring two helpers, specifically for standard hacks, so if you want to try it follow the instructions within the first post in this thread to apply!! Your application can be sent through site PM or discord DM. Feel free to message me if you have any questions prior you apply. I'll be looking forward for your messages!
04/07/2025 Edit: I'm adding one additional position for a helper for smw kaizo hacks, so there's in total three available spots.
04/12/2025 Edit: applications closed.
Latest Content
You Have No Life
You Have no Life - A hack which shows diverse aspects of pure living, making you even question about things like:
''Problems with
termites? search
the best place to
evacuate them!''
… (read more…)
Overworld Layer 1 Events
This patch allows you to make events that change layer 1 tiles on the fly: it basically works the same as the vanilla silent layer 1 events, but the changes are applied immediately instead of having… (read more…)
Sparkster - Lakeside
Lakeside Adventure from Sparkster. Update: Corrected all the ADSR values and made the overall volume a little more accurate. Whew, fixing all that was quite a doozy. Additionally, you can set… (read more…)Custom Switch Block
A Switch Block replacement that replaces the ! with a mushroom.No credits Needed
Rip Van Fish Z
A disassembly of the Rip Van Fish Z minor extended sprite. Spawned by sleeping Rip Van Fish, it floats up and pops.
Check the .asm for how to make the vanilla or disassembly Rip Van Fish spawn… (read more…)
Johnny Test Whip Crack
The whip cracking sound effect from Johnny Test that probably gave you brain damage as a childspct
spct is a little command-line tool for Linux, MacOS, and Windows that can play and render SPC files. Very useful for platforms that other SPC players can't compile for.
Licensed GPLv3 - source… (read more…)
Event Camera Pan
This UberASM allows you to make the camera scroll to a specified location when running an event (either at the start or before a certain step in the middle of the event), and then return back to its… (read more…)
Content of the Day
Coin Hunt Pack
This pack includes a custom coin and a block that will change its behavior once a certain amount of the custom coins is collected. By default, the amount is 30, and the block will turn from solid… (read more…)The Legend of Zelda: Twilight Princess - Faron Woods
The soothing music which plays in the Faron Woods of Twilight Princess (assuming it isn't submerged by twilight, that is).Good for forests, though it can also be similarly used for ruins.
SM64: Stars of the Beast 1.2v
This hackrom (is not extremely hard) is focused to people who have experience with other hackroms and want to play some stuff different than usual jumps.
There are new challenges to discover and… (read more…)
Horizontal/Vertical Autoscroll
This code will enable horizontal or vertical autoscrolling in the level it's inserted in. Check out the asm file for customization options, such as scroll direction, speed/fractional speed and when… (read more…)
Enter Star Roads Using L+R
This patch allows you to enter Star Road tiles using L+R. It can be enabled/disabled by submap. It's intended to fix the softlocks in Super Demo World-type Star Worlds, where one of a level's two… (read more…)Ganbare Goemon 2: Kiteretsu Shougun Magginesu - Virtual Hell (Second Section)
The second section of the Virtual Hell stage, from Ganbare Goemon 2. The bottom part in the original game has bright fiery HDMA in the black part of the background. Also, no HDMA is included with… (read more…)
Secrets of Yoshi's Island
This short hack is a compilation of the six secret levels of the GBA version of Yoshi's Island (Super Mario Advance 3), adapted into the SNES version. Made by Yoshis Fan.
(Ayami's note: this… (read more…)
Metroid
This guy hovers lazily in the air until Mario approaches. Then it begins to chase him wildly. Should it catch Mario, it latches on and begins draining coins from him at an alarming rate (if he has… (read more…)