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December 20, 2025

WIP - More Belly Expansion

Hello again! I still don't have a new build yet, but I have been making some good progress despite a few setbacks.

First off, my CPU kicked the bucket last week so my PC was unusable until I was able to get it replaced. Thankfully, it's up and running again. I also realized the blob belly phase would need a lot more special treatment than I anticipated, but I'm figuring it out. Luckily, I was able to get the initial belly growth phases working in Unity pretty easily so here's a peek at that.

As I mentioned before, the blob belly phase needs a totally different setup so it can roll and work with the softbody physics. This means I had to build a new belly using the maxed out belly blendshape as a reference. The new belly mesh is separate from the rest of the character and has a much higher polygon density so it can use the softbody system more effectively.

I also had to make a new set of animations and set up an adaptive rig that can react with the belly in a more convincing way. Notice how her hand stays gripped to the belly as it wobbles and her elbow bends as you'd expect. Without this, her limbs would clip through the belly as it jiggles around.

I still need to make a few more animations, but the idle and jumping feels pretty good so far. She also gets squished a bit when the belly rolls over her. :P

There's still a ways to go, but most of the hard stuff is figured out. I still need to make clothing textures for the blob belly and hook it up to some of the other systems. I'd really like to get this update done before the end of the year and start off 2026 with some inflation stuff.

Thanks again for your patience and happy holidays!

Comments (46)

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GhastlyGluttons · January 7, 2026

Happy New Year! this is very clean cut! Well done! and as always, thankyou for the hard work! really coming along!

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SpaceRabbit100 · January 2, 2026

would there ever be a monobutt transformation Aka:Small body on top with very huge round lower body???

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blobygon · January 2, 2026

Yeah, I would like to add a body shape like this someday

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Jordan Smith · January 1, 2026

Happy new years blobygon, how’s this going?

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blobygon · January 1, 2026

It's very close. I'm just stomping out the last remaining bugs.

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NomadicPervert · December 27, 2025

the belly mesh is looking great, i love bits of dev work. i hope you had happy holidays, at lest some nice bits.

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FreedomFighterGunboy · December 27, 2025

looks good as usual! cannot wait to see inflation things!

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WildThiccens · December 26, 2025

Since the blueberry one was so amazing, what if there was an option where she overeats/overinflates, starts bloating out of control and pops like a fat-filled balloon like mr creosote except cartoonish and not gross, starting her size over like before? Oh, and the reason I say fat instead of food cause I'm hoping that can apply to any shape, not just belly or blueberry. It worked so amazing last time 😆 also, happy holidays!

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blobygon · December 26, 2025

I could probably do something like that

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THunterGamer · December 24, 2025

I love it, I can't wait to try it. Do you think you could add that when burps/gas are disabled, they can accumulate and inflate the character, similar to what happens with blackberry juice?

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blobygon · December 24, 2025

Maybe. I can look into it at some point

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Gluttonyan · December 24, 2025

Hey, I am not sure if this is due to my specs but whenever I get my character up into a blog in the burger pit Snackrooms level the FPS starts chugging hard and goes single digit. And everything becomes all slow. Is this due to all of the falling burgers on the screen perhaps?

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blobygon · December 24, 2025

I'm not sure. Does this happen anywhere else?

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Benji Gibson · December 23, 2025

Looks good, excited to see that get added, if i can make a suggestion can you add an option where you don't have to click on each stage of weight gain, so like how it is in side the snackrooms part of it?

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blobygon · December 23, 2025

I want to figure out a way to do that at some point, but I need to rewrite the whole system to work that way. It actually works the same way in the snackrooms under the hood, but the button clicks that determine what class you grow into are replaced with trigger areas you walk through.

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P1S - Misha · December 22, 2025

It looks super good! I'm super hyped for when it's completed. but also just so hyped for the few other things you mentioned to add at some point down the road (inflation, npc growths, what the next added path to the main game would even look like). I would also like to put out there an idea, and ask if it would be possible in the future for there to be a slider for how frequent the belly gurgling/growling would happen?

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blobygon · December 22, 2025

I could probably make that work. I wanna do another pass on the status effects stuff eventually and I'll keep that in mind when I do.

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DarkStar76 · December 21, 2025

Cant wait for the release

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Jordan Smith · December 21, 2025

You really are the only person making a game like this right now, it’s great

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DarkStar76 · December 21, 2025

🔥🔥🔥🔥🔥

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Inspector-Jasper · December 20, 2025

Looking amazing and thank you for all your hard work.

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KinkyCravings · December 20, 2025

I love seeing the progress you’ve made so far! Sucks you had to deal with the stress of a broken pc but glad to hear things are up and working again! I honestly rlly admire your hard work on this game and how you’ve designed these mechanics :)

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Butterfield · December 20, 2025

Looking good. Can't wait to bounce some bellies!

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Karma TheWolf · December 20, 2025

Wow! This is looking great! Awesome job on everything. Super excited to get to play around with this new shape! :) I think I speak for a lil' niche of people when I say it'd be nice to get to play around with the fart/burp sound system more in the future. Maybe being able to adjust the pitch of the sounds- but I specifically think it'd be neat to manually hold a button down to control the length of the sound effects. I have absolutely no clue if anything like that would even be possible, but it was a neat thought I wanted to share. Thanks again for all your hard work!

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blobygon · December 20, 2025

Something like that could be possible. I want to do another pass on that kinda stuff eventually.

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Captain Swag · December 20, 2025

This is not an urgent request, and I don’t want to undercut your work that’s really impressive. I just want to put this here before I forget. When farting or burping is enabled, maybe characters could release a massive fart and/or burping when their belly is squished.

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blobygon · December 20, 2025

That could be fun. I will probably look into it at some point

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Kiunny · December 20, 2025

*Kiunny Lab on duty!* Excellent physics and collision integration. The only thing that doesn't seem right is that according to the character it should be slightly more "plump" to give a "blob effect". Anyway it's a great work and Happy Bnnuymass/Blimpmass blobygon.

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howabout no · December 20, 2025

Wow thats crazy progress! Always so cool to see whats going on behind the scenes :3 she looks so sloshy!!! makes me really wish for a slimegirl toggle :D

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blobygon · December 20, 2025

I'd like to add some slime/semi-transparent skin effects at some point

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TSR · December 20, 2025

Great work man! Take your time and as excited as everyone is, don't feel rushed :) Happy Holidays!

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Dumpty001 · December 20, 2025

Freakin awesome, so cool getting to see behind the scenes!

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Rad · December 20, 2025

Great stuff. Always excited to see more! Have you considered an innie/outie bellybutton toggle?

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blobygon · December 20, 2025

I can look into it

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Antraz · December 20, 2025

Quality Christmas gift for us either way. I'm eagerly looking forward to the next dev build. Gotta wonder what she'll look like at total max capacity now...

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YourBestClownFriend · December 20, 2025

You're doin' a super wonderful job!! Really looking forward to the next build!!

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Nick · December 20, 2025

This looks pretty good so far and don’t worry take all the time you need to get everything up and running we’ll be here supporting you! ^^

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Prism7 · December 20, 2025

Hey, it takes time to make a masterpiece, and I must say, this is looking to be an absolute MASTERPIECE! Take all of the time you need, blobygon! ❤️

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Grace Ashcroft · December 20, 2025

No rush blobygon we can always wait it's not the end of the world if's not ready things happen but I'm still support you because you made a game that I always dream of playing like this i fantasize in big girls belly games and this game puts the icing on the cake for me and I really wanted to say from the bottom of my heart thanks blobygon i really appreciate what you do and don't worry please take your time no rush blobygon I'm still support you no matter what 🩷💯🫡🙏🤝

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blobygon · December 20, 2025

Thank you for your kind words and support, nice space lady!

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Rev · December 20, 2025

Phenomenal stuff!

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Sir Kata · December 20, 2025

Pretty awesome progress!

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Ian Ortiz · December 20, 2025

This is RnD money well spent

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Juxtaterrestrial · December 20, 2025

This is the science i am here for!

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Sir Kata · December 20, 2025

Belly science!

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Scarf Guy · December 20, 2025

Amazing