KLDC 2022 Results!

You've waited all year, and now it's time for presents - Merry KLDC Results, everybody!
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!


This hack is the third one of Birdo,s Quest through the Mushroom Kingdom. Now that Birdo has conquered the Mushroom Kingdom, she takes a deep slumber inside of her coffin. But Mario was not defeated… (read more…)
A highly customisable sprite door. Using extra bytes, it can have gravity and object interaction, use any palette you want, be closed and/or be only enterable when a blue P-switch is active. If the… (read more…)
The On/Off blocks seen in Yoshi's Island. Meant to be paired with these blocks.
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…)
This code will add a short cooldown to the ON/OFF switches to prevent Mario or sprites to trigger two of them at the same time. Unlike the patch version, this will also work with custom ON/OFF… (read more…)
All 34 exits, saved in level "Construction Site", the "castle" of first world.
A multi-parameter converter for Super Mario World/SNES music porting, meant to be an utility tool to be used in conjunction with AddmusicK.
Was designed to replace an ordinary calculator program… (read more…)
Version 1.0
Not really AI, cause it ain't intelligent!
This is a ROM hack / patch of Yoshi's Island (version U1.0) that causes totally random input when playing stages. Works on console with… (read more…)
This was once a demo of Super Mario Adventure 64, but that hack has been CANCELLED.
This patch will insert a red coin counter into your hack onto a configurable spot on the status bar. The counter functions just like the one in SM64, when you have 8 red coins, the secret exit flag… (read more…)
This is a routine you can use to reload the level when L and R are pressed together. Also has the option to reload on death as well.
Note: reloading a level with this code can cause the "256… (read more…)
A block that acts exactly like a coin, but when collected will become the next map 16 tile instead of empty space.
This could be useful in a situation where you don't want the coin to "delete any… (read more…)