When Did You Begin NSMB Hacking ?
I personaly began in mid 2025 / early 2026 !
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The Rom Hacks That I Made/Working On :

I need beta testers for my hack : PM me heeerre
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I began modding NSMB towards the end of 2015, with the idea of making new levels and/or recreations of various stuff, plus experimenting with different DS game file formats (i.e. .bncl, .nce etc.)
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I began in December 2024, I was bored on a Christmas night and I decided that it'd be a good idea to dive into NSMB modding, I looked through multiple tutorials and resources pages on this forum and learned a lot of stuff in a short time period, initially, I just made a couple of levels out of boredom (levels that are lost media now), and then I decided to start working on a full hack.

I've been wanting to mod this game since 2016, but I wasn't able to since I was just a little kid and didn't have my own computer.
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I began in december 7 2023, though i already interacted with other modding communities earlier, from late 2022/early 2023
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Check out Shuriken team discord server: https://discord.com/invite/RPwrYff5m4

i began last month because i was searching rom hacks in this website and then i discovered nsmbe and so i started making jack mario ds. sorry for bad english but i'm italian. you can download jack mario ds here: https://nsmbhd.net/thread/6835-jack-mario-ds/