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koopster 🐢 [asm comms open]

@koopster.bsky.social
144 followers 68 following 152 posts

#smw programmer and hacker. See my portfolio and get me coding something for you: pk.muncher.se/commissions Or come see me ramble: www.patreon.com/c/koopsterthedog

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koopster 🐢 [asm comms open] @koopster.bsky.social · 20h
And it was a public commission, so you can get it here: smwc.me/s/43280
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koopster 🐢 [asm comms open] @koopster.bsky.social · 20h
Latest commission out of the oven: Sir Shovalot, a solid entity from the Mario vs. Donkey Kong series that pushes you around when it detects you. It's got some puzzle potential, perhaps? Cute graphics by FNC2002 / Astrakitu! #smw #romhacking
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Moltz20 @moltz20.bsky.social · 29/09/2026
Ok! Gotta polish these a little bit, but the general vibe for the Redrawn Graphics should be mostly done. #mystuff #smw #romhacking
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koopster 🐢 [asm comms open] @koopster.bsky.social · 29/09/2026
The download page now includes a playable demo with the default settings! You can also grab it here: pk.muncher.se/resources/ne...
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koopster 🐢 [asm comms open] @koopster.bsky.social · 29/09/2026
Looking forward! 👀
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koopster 🐢 [asm comms open] @koopster.bsky.social · 29/09/2026
Add it to your hack now! smwc.me/s/43239
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codfish @codfish-smw.bsky.social · 27/09/2026
A recreation of the beta wigglers with a wall climbing variant based on an .obj file. #smw #supermarioworld #smwbeta #supermarioworldbeta #romhacking
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koopster 🐢 [asm comms open] @koopster.bsky.social · 28/09/2026
I do want to make more bosses, but this girl took me a few days of locking in, so I won't be on to the next one immediately 😅 I've also been working on a handful of (smaller and bigger) things behind the scenes, so yeah!
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koopster 🐢 [asm comms open] @koopster.bsky.social · 28/09/2026
She is very configurable -- you can change the number of attacks per health and which attacks happen, speeds, timers and such. Making all this comprehensible is my biggest hurdle to releasing her right now, haha. But what that means is I hope she can suit a wide range of difficulties.
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koopster 🐢 [asm comms open] @koopster.bsky.social · 28/09/2026
In homage to dahnamics, who provided SMW Central with many bosses in the early years, including the (infamous) Giant Piranha... These bosses have aged, and the community is long overdue for some better public ones. So to contribute to that, I present the Neo Piranha Plant! 😁 #smw #romhacking
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koopster 🐢 [asm comms open] @koopster.bsky.social · 25/09/2026
Now behaving a little more! Alright, think I'm done with the foreshadowing. I just wanted to give a shoutout to coin counter debugging before going to bed :P #smw #romhacking
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koopster 🐢 [asm comms open] @koopster.bsky.social · 25/09/2026
We're now behaving somewhat. #smw #romhacking
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koopster 🐢 [asm comms open] @koopster.bsky.social · 24/09/2026
A second frame test. This should be everything I need as far as this guy's graphics go. On to the fun part 👀 #smw #romhacking
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koopster 🐢 [asm comms open] @koopster.bsky.social · 24/09/2026
Maybe I should write about the full process sometime...
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koopster 🐢 [asm comms open] @koopster.bsky.social · 24/09/2026
Ever wondered how the start of sprite coding goes? I always do the graphics routine first, as it's important to have something to look at. Then I write a frame test, which is a simple snippet that make it cycle through all of its possible visual states. No collision or moves yet. #smw #romhacking
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koopster 🐢 [asm comms open] @koopster.bsky.social · 15/09/2026
Wonder if there are any more to do...
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koopster 🐢 [asm comms open] @koopster.bsky.social · 15/09/2026
Now available: smwc.me/s/43168
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koopster 🐢 [asm comms open] @koopster.bsky.social · 15/09/2026
We all know you don't place those on lava. So how about some better telegraphing? #smw #romhacking
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Donut @donatp.bsky.social · 06/09/2026
After procrastinating on the background for weeks, this area is finally finished! Time for dessert! #SMW #romhacking
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koopster 🐢 [asm comms open] @koopster.bsky.social · 08/07/2026
Not really, but people have been discussing them lately :p
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koopster 🐢 [asm comms open] @koopster.bsky.social · 08/07/2026
After some deep discussion in the Central (smwc.me/t/132796), I cooked up a little patch that makes the ~controversial~ castle platforms look a little nicer. And it doesn't break the regular ones, either! I'll upload it tomorrow though since it's pretty late 😵 #smw #romhacking
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koopster 🐢 [asm comms open] @koopster.bsky.social · 24/05/2026
By the way, if you wanna try this system out but are stopped by a certain sprite you want to use being for dsx only, I'm still taking conversion requests! Want my system to be as broadly useful as possible :)
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koopster 🐢 [asm comms open] @koopster.bsky.social · 23/05/2026
Sprites in show are by: - Seesaw platform: Sonikku (@spritersonikku.bsky.social) - Spinning Log and Woozy Guy: smkdan - Chomp Rock, Blow Hard and Wild Piranha Plant: edit1754
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koopster 🐢 [asm comms open] @koopster.bsky.social · 23/05/2026
Haha, oops 😅 I've got you covered though, dsu has an !unpatch_dsx option! (Also it doesn't really hurt to keep dsx installed anyway)
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koopster 🐢 [asm comms open] @koopster.bsky.social · 23/05/2026
Hey! I've been working on a dynamic sprites system to replace dsx for over a month now. That + private comms left me with no time to post anything here... But anyway, you should go check it out! Here: pk.muncher.se/dsu If you used dsx before, I'm sure you'll like the upgrade :) #smw #romhacking
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koopster 🐢 [asm comms open] @koopster.bsky.social · 23/04/2026
Inspired by Iceguy's hammer sprite (smwc.me/s/3307), I'm working on a new version that - displays while held - generates a Yoshi earthquake instead of just killing what's directly under it - is not associated to a powerup and can be dropped Soon: buffed variation on extra bit 👀 #smw #romhacking
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koopster 🐢 [asm comms open] @koopster.bsky.social · 09/04/2026
Thanks for testing! I forgot about the explosion noise oops, I updated the file (again) and now the sound should play.
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koopster 🐢 [asm comms open] @koopster.bsky.social · 07/04/2026
Thank you! Using these to blow up things is a pretty nice idea - you can tweak how long it takes to explode (and speeds and such) so it's probably possible to pull it off in a not annoying way. Also I promise dsx is not that bad anymore 😅
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koopster 🐢 [asm comms open] @koopster.bsky.social · 06/04/2026
Tentative release: smwc.me/s/42142 Let me know if it breaks 😅
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koopster 🐢 [asm comms open] @koopster.bsky.social · 06/04/2026
Just another day in Soda Lake... wait, they exploded before? 😳 #smw #romhacking
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koopster 🐢 [asm comms open] @koopster.bsky.social · 02/04/2026
Rad level! Appreciate the effort 😄
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RussianManSMWC @russianmansmwc.bsky.social · 31/03/2026
Attempt number 2 at combining level design and moderation. Baby Reznor + Rotating Block by @koopster.bsky.social You can see the level here: www.youtube.com/watch?v=SW7x... Resource: www.smwcentral.net?p=section&a=...
youtube.com
Baby Reznor + Rotating Block (Presentation Level)
YouTube video by RussianManSMWC
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koopster 🐢 [asm comms open] @koopster.bsky.social · 29/03/2026
Surprise Patreon post drop! I decided to talk a bit (but ended up talking extensively) about SMW's firework sprite and the challenges I faced to make them usable recently. Hope you have a nice read! Here it is: www.patreon.com/posts/154088...
patreon.com
Mario, you're a firework! ...At least until I reprogram it | Chill Programming for Super Mario World
Get more from Chill Programming for Super Mario World on Patreon
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koopster 🐢 [asm comms open] @koopster.bsky.social · 28/03/2026
Try them out here: smwc.me/s/42057
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koopster 🐢 [asm comms open] @koopster.bsky.social · 28/03/2026
Added (optional) flashing, a sound effect toggle and improved the horizontal spawning of the fireworks! #smw #romhacking This was commissioned, but the requester allowed me to release this to the public, so it should be out for everyone soon :)
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koopster 🐢 [asm comms open] @koopster.bsky.social · 27/03/2026
Congratulations! You made it to the end of the game! #smw #romhacking
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koopster 🐢 [asm comms open] @koopster.bsky.social · 26/03/2026
Download: smwc.me/s/42039
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koopster 🐢 [asm comms open] @koopster.bsky.social · 26/03/2026
SPOOKY! A keyhole that only appears depending on a flag, such as the P-switch or ON/OFF. It also fixes the multiple keys bug optionally. This was asked for in the forum, and I couldn't find something like it, so I cooked it up this morning. #smw #romhacking
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koopster 🐢 [asm comms open] @koopster.bsky.social · 02/03/2026
Awesome! 😄
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RussianManSMWC @russianmansmwc.bsky.social · 02/03/2026
I tried to combine productive and creative by making a level with a resource I was moderating. Line Guided Colored Blocks by @koopster.bsky.social You can see the level here: www.youtube.com/watch?v=qlY1... Resource: www.smwcentral.net?p=section&a=...
youtube.com
Line Guided Colored Block, Switch Toggled (Presentation Level)
YouTube video by RussianManSMWC
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koopster 🐢 [asm comms open] @koopster.bsky.social · 26/02/2026
Now hopefully crash free! Get it here: smwc.me/s/41799
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koopster 🐢 [asm comms open] @koopster.bsky.social · 25/02/2026
Quickie: a patch that adds an outline to collected moons. Somehow this didn't exist yet? #smw #romhacking
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koopster 🐢 [asm comms open] @koopster.bsky.social · 24/02/2026
To answer the question, I think a huge next step for SMW hacking would be to turn UberASMTool into an all-in-one tool by integrating custom sprites and blocks to it. I think there's been some talk about this before, so it's worth consulting the current maintainer (Fernap)!
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koopster 🐢 [asm comms open] @koopster.bsky.social · 24/02/2026
Hey, it's good to see you again!!
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koopster 🐢 [asm comms open] @koopster.bsky.social · 19/02/2026
C3 time and three drops - Billy Gun - Any Sprite Egg - Skull Raft EX All availabe in this thread: smwc.me/t/131863 Go check it out!
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Daizo Dee Von @daizodeevon.bsky.social · 13/02/2026
#SuperMarioWorld Here, have a gun.
youtu.be
SMW Custom Sprite - Gigantic Gun
YouTube video by Daizo Dee Von
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koopster 🐢 [asm comms open] @koopster.bsky.social · 13/02/2026
As my latest commission, a recreation of the classic Orbox recreation from Super Mario :P :P :P. Which is like, the hardest puzzle of all time This version also features angled tiles that instantly bounce the ball in a different direction. That won't get too complicated at all! #smw #romhacking
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koopster 🐢 [asm comms open] @koopster.bsky.social · 06/02/2026
Wish I coulda been showing more here, but real life, commissions and also moderation have been keeping me busy and tired. But I'll say I'll try to release some (maybe all?) of my shown-but-yet-not-released content this C3, so stay tuned for that! (A hot decade passed since my last C3 thread oh man)
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koopster 🐢 [asm comms open] @koopster.bsky.social · 03/02/2026
Add it to your hack IMMEDIATELY: smwc.me/s/41528
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koopster 🐢 [asm comms open] @koopster.bsky.social · 02/02/2026
What else is cool about this? - Automatic detection of pole height - Configurable tape speed - Calculation of score based on relative height of the bar. I wonder if a frame perfect hit at the top scores a 1-up? 👀 #smw #romhacking
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