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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!

Recent News

Super Famicompo 4

The 4th iteration of our Super Famicompo contest is now underway! See the thread for details: https://smwc.me/t/122697

Mad Scientist ASM 2022 Has Begun!



And just like that, ASM is back on the contest menu! #smw{:TUP:} Go see what the mix-up is in the contest thread here.

Remember, you've got until September 19th, 6:00 PM GMT to submit your entries!

EDIT: Please re-read the rules thread as there has been significant changes/clarifications added. The deadline is now September 26th, 9:00 PM GMT. Use this extra time wisely!

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Latest Content

Seashell Koopas

Screenshot Koopas wearing seashells as protection, from my hack Spesh Planet. No custom palettes are included.

Start Level with Specific Pose

Screenshot This UberASM will make the player assume a specific pose at the start of the level for a certain amount of frames. Optionally, you can make the game freeze while the pose is shown and/or disable… (read more…)

Lakitu's Great Adventure 2

Screenshot A year after the events of Lakitu’s Great Adventure, Nidoking awakens, fiercer, stronger and more evil than ever. He begins to spread terror throughout the world because he wants to conquer it, but… (read more…)

Simple Walljump

Screenshot Simple wall jump block used in Super Foo World. Some people asked for this. - Block will activate even without the player holding against the wall - will launch the player quite far if dpad is… (read more…)

Kaizo Mario World

Screenshot A complete save file on Mario A with 11 exits, post-special.

Saved on ウルトラのほし/ULTRA STAR.

BRRTools v3.17

Screenshot BRRTools are currently the most evolved tools to convert between Microsoft standard WAV format and SNES's compressed BRR format. The pack contains 3 programs: BRR Decoder can convert from BRR to… (read more…)