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Undertale/Deltarune NSFW mods?


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Posted
6 hours ago, tails47 said:

70% or so finished with noelle's CH2 sprites, here are some previews.

 

also changed my light world sprite.

spr_noelle_walk_down_blush_dw.png

spr_noelle_walk_left_smile_dw.png

spr_noelle_walk_right_noeyes_dw.png

spr_cutscene_13_noelle_bump_fall.png

spr_cutscene_13_noelle_box_remove.png

spr_cutscene_23b_noelle_susie_shoulder.png

spr_noelle_walk_down_lw.png

 

This is a pretty strong start, I like how it's looking so far. Here is some constructive criticism to get you further:

  • When you squish/squash the boobs you need to displace what got deformed (i.e. if you squash it down, it'll get wider on the sides)image.png.9b2fd6f30a9334140e527b2c8c958a75.png
  • With boobs through clothing, you tend not to see the bottom edge of the boob, everything is kinda pulled sideways and pulled up, unless, the fabric folds under the boob.image.png.83d23175f4b99615954e1d0e1d0760aa.png
  • In the side view, boobs kinda connect directly to the armpit, so it needs to be kinda close to the shoulder.

image.png.1212d49b9b6e086ef37268c3ebfdbe7f.png

Posted
4 hours ago, SoggyRune said:

 

This is a pretty strong start, I like how it's looking so far. Here is some constructive criticism to get you further:

  • When you squish/squash the boobs you need to displace what got deformed (i.e. if you squash it down, it'll get wider on the sides)image.png.9b2fd6f30a9334140e527b2c8c958a75.png
  • With boobs through clothing, you tend not to see the bottom edge of the boob, everything is kinda pulled sideways and pulled up, unless, the fabric folds under the boob.image.png.83d23175f4b99615954e1d0e1d0760aa.png
  • In the side view, boobs kinda connect directly to the armpit, so it needs to be kinda close to the shoulder.

image.png.1212d49b9b6e086ef37268c3ebfdbe7f.png

I saw your sprites on page 9 and see what you mean. didn't have much time today but here are changes to one of them.

spr_noelle_walk_down_lw.png

Posted
3 hours ago, tails47 said:

I saw your sprites on page 9 and see what you mean. didn't have much time today but here are changes to one of them.

spr_noelle_walk_down_lw.png

 

I am so excited for this to come to fruition! A busty Noelle mod has been at the top of my wanted list for years, man. 😭

Posted

One question: do I have to wait until I make a mod for Noelle, or do I have to change the sprites myself? Because if it's the latter, I have no idea how to do it.

Posted

All I have left are battle sprites and the noelle breast mod will be ready to post. It will just be ch1+2 for now, after that is done I'll start working on ch4 noelle sprites.

 

here are some new previews.

Spoiler

spr_noelleb_attack.png.6f8d4823a0877ee40e2d83601964146a.pngspr_noelle_cower_right.png.3b0614d294eef2aa3d97dc05f0069820.pngspr_noelle_cower_left.png.21227ec1da56b092d0c1033cb00a714a.pngspr_noelle_game.png.2ac267910dc59dd87f19162e02a1d0b4.pngspr_noelle_game_done.png.97c4b70ac910cccff2322c5db76cb187.png

 

Posted

Noelle breast mod is finished for ch1+2 and will be posted below. Also added a gif folder if people want to see the sprites in action first before deciding to install it.

When I finish ch4 sprites the mod will be updated later to include them. special thanks to SoggyRune for the helpful advice, it really upgraded the mod and my skills.

 

Noelle breast mod.zip

gif.zip

 

Install

Spoiler
  • unzip noelle breast mod
  • run UndertaleModTool
  • go to File in top left corner
  • click open
  • find deltarune game folder and open
  • go to chapter1_windows folder
  • double click data.win or data
  • go to Scripts in top left corner
  • go to Resource Importers
  • click ImportGraphics.csx
  • click yes on script question
  • go to unzipped noelle breast mod
  • go to chapter 1 folder
  • single click sprites folder and click open
  • it should say import complete!

repeat steps above for chapter 2 sprites and enjoy.

previews

Spoiler

spr_noelle_walk_down_lw.png.0f95e56b2802f03db52ba5d86a9588f8.pngspr_noelle_walk_down_blush_dw.png.3f87cc67640492300654235e1cae09ad.pngspr_cutscene_13_noelle_box_walk_left.png.b3f3b8110e2c72ad1a10a8d5505349e0.pngspr_noelleb_victory.png.5ebfad3dd08a6917918f7370f02ee637.pngspr_noelleb_spell.png.e196536d4b19735b4c6a876e4482e3ca.png

Spoiler

spr_noelleb_spell_special.png.6fd96a2613c4b02792fb416bc4fb777d.png

 

 

Posted
56 minutes ago, Buddussy said:

So what do you plan on doing next? Susie? Toriel? A naked Noelle this time?

 

You got me excited man.

After I get noelle ch4 sprites done I'll do something shorter like toriel. Susie will take the most time but after ch1 any sprites that are reused in later chapters I can copy over and save time on.

 

Nude mods will be last on my list until noelle, susie, and toriel are finished.

Posted

finished normal sprites and one church sprite. most of noelle's sprites for ch4 are her sitting down on the couch so it will be a hot minute before I complete those. 

 

previews

Spoiler

spr_noelle_walk_left_pan_hold.png.38af9605ffa377ac20340627997c84ab.pngspr_noelle_angel_hold_walk_left.png.dae8c34096c6ffda361fc647f1af0647.pngspr_noelle_angel_hold_walk_right.png.51e83a36cf9c07fab26962529966fc65.pngspr_noelle_walk_right_stressed.png.63aebc4beeff497af5fa4bb70f81fcf5.pngspr_noelle_walk_down_blush.png.f92083fcb3e433055edda08711b51151.pngspr_noelle_walk_down_flashlight.png.c4dd3f6752f175577a584b88bb227046.pngspr_noelle_walk_down_church.png.c09b8bfcecf3539cc60eb7f508817ba8.png

Posted (edited)

---------------------------------------------------------------------------

 

Here's some amateur sprites of Blockler B, Blockler O, Mr. Society, and Mr. Elegance, and the vessel creation section.

 

---------------------------------------------------------------------------

 

 Screenshotfrom2026-01-0718-39-42.thumb.png.6f82d3579d63de64cf0f9d2972cc56fa.pngScreenshotfrom2026-01-0718-29-21.png.ac135e060e299bff498f766c0ab27306.png

Edited by Sunshine Recorder
Posted
25 minutes ago, tails47 said:

done with church sprites, might power through sitting sprites this weekend.

  Hide contents

spr_noelle_juice_walk_down.png.9cf390889b058ac021aa068c5dfb9525.pngspr_noelle_walk_side_church.png.508ec1489cafe96470c208958a752045.pngspr_noelle_susie_shoulder.png.ffe19a9f04fae0b75749a15601401995.pngspr_noelle_susie_juice_spit_loop.png.98341758009a245a3b65ca7129c48687.pngspr_noelle_sit_blush_laugh.png.e5dd543167ce680f216d003f7a77f867.png

 

 

Your efforts are very much appreciated! ❤️

Posted
On 12/8/2025 at 11:28 PM, SoggyRune said:

Here's some stuff I did recently for my au mod.

 

animated erections for Kris ingame

 

Lewd redesign of the bigmouth nurse at the hospital

 

5538018_nurse_preview.png

 

A preview of what sex scenes could look like ingame, and an animated version of the closeup itself.

 

5538011_sex_test_full.png

5538010_sex_test.gif

 

A cutscene bug lol

 

is anyway to download it, or its just a wip?

 

Posted

took longer then I thought but noelle is now up to date as of CH4. will take a break for awhile then come back to do toriel.

 

Noelle breast mod.zip

gif.zip

 

install

Spoiler
  • unzip noelle breast mod
  • run UndertaleModTool
  • go to File in top left corner
  • click open
  • find deltarune game folder and open
  • go to chapter1_windows folder
  • double click data.win or data
  • go to Scripts in top left corner
  • go to Resource Importers
  • click ImportGraphics.csx
  • click yes on script question
  • go to unzipped noelle breast mod
  • go to chapter 1 folder
  • single click sprites folder and click open
  • it should say import complete!

repeat steps above for chapter 2 thru 4 sprites and enjoy.

movement previews

Spoiler

spr_noelle_susie_shoulder.png.78b18022f09534f60ec33c5925cae096.pngspr_noelle_walk_down_church.png.42ba1965073e29332ba66756d065030b.pngspr_noelle_walk_side_church.png.9d7665bd667562c64ed3ecd0396c3ae9.png

spr_noelle_angel_hold_walk_left.png.230578c3709bdbaa59e258f7cbd1eb43.pngspr_noelle_walk_down_blush.png.49f4b5f181ee59bf1ec0f489b994f876.pngspr_noelle_angel_hold_walk_right.png.8dc109d0fa8d78549c846b5e01c6a421.png

sitting previews

Spoiler

spr_noelle_sit_expressions.png.e714b97b23cb8ed626cb5ce5e5a6b667.pngspr_noelle_sit_phone.png.1276a026978d72122918f488eaedb8e9.pngspr_noelle_sit_reaching.png.12362ed436e976bc50f866dcf998429c.pngspr_noelle_sit_goofy_antlers.png.9875f4f51d4a56b0bab523691139a4fe.png

Spoiler

spr_kris_noelle_sit_reach_side_b_alt.png.7c381fdb8349076c41a90c374061d34e.png

 

 

Posted (edited)
On 1/13/2026 at 7:17 PM, tails47 said:

took longer then I thought but noelle is now up to date as of CH4. will take a break for awhile then come back to do toriel.

 

Noelle breast mod.zip 834.65 kB · 5 downloads

gif.zip 696.38 kB · 3 downloads

 

install

  Reveal hidden contents
  • unzip noelle breast mod
  • run UndertaleModTool
  • go to File in top left corner
  • click open
  • find deltarune game folder and open
  • go to chapter1_windows folder
  • double click data.win or data
  • go to Scripts in top left corner
  • go to Resource Importers
  • click ImportGraphics.csx
  • click yes on script question
  • go to unzipped noelle breast mod
  • go to chapter 1 folder
  • single click sprites folder and click open
  • it should say import complete!

repeat steps above for chapter 2 thru 4 sprites and enjoy.

movement previews

  Reveal hidden contents

spr_noelle_susie_shoulder.png.78b18022f09534f60ec33c5925cae096.pngspr_noelle_walk_down_church.png.42ba1965073e29332ba66756d065030b.pngspr_noelle_walk_side_church.png.9d7665bd667562c64ed3ecd0396c3ae9.png

spr_noelle_angel_hold_walk_left.png.230578c3709bdbaa59e258f7cbd1eb43.pngspr_noelle_walk_down_blush.png.49f4b5f181ee59bf1ec0f489b994f876.pngspr_noelle_angel_hold_walk_right.png.8dc109d0fa8d78549c846b5e01c6a421.png

sitting previews

  Reveal hidden contents

spr_noelle_sit_expressions.png.e714b97b23cb8ed626cb5ce5e5a6b667.pngspr_noelle_sit_phone.png.1276a026978d72122918f488eaedb8e9.pngspr_noelle_sit_reaching.png.12362ed436e976bc50f866dcf998429c.pngspr_noelle_sit_goofy_antlers.png.9875f4f51d4a56b0bab523691139a4fe.png

  Reveal hidden contents

spr_kris_noelle_sit_reach_side_b_alt.png.7c381fdb8349076c41a90c374061d34e.png

 

 

 

Gorgeous, and thank you again for all the hard work! (I'm just hoping you'll still be around and willing to continue when the future chapters get here). :wink:

 

BTW, I dunno if you've considered it, but since this mod isn't exactly NSFW you could likely get away with putting it on Gamebanana, thus making it available for more people to use.

Edited by Schvorb
Posted
9 hours ago, Schvorb said:

 

Gorgeous, and thank you again for all the hard work! (I'm just hoping you'll still be around and willing to continue when the future chapters get here). :wink:

 

BTW, I dunno if you've considered it, but since this mod isn't exactly NSFW you could likely get away with putting it on Gamebanana, thus making it available for more people to use.

Once I'm caught up on all the characters I want to mod I will try to keep it updated when new chapters come out.

 

As for gamebanana or nexus they can be bipolar sometimes about what is ok to post. If someone wants to upload my breast mod to those sites or anywhere else you have my permission.  

Posted

Did Ch1 sprites for toriel and most of them have her arms in front of her chest so most side sprites for her will be limited.

 

Spoiler

spr_toriel_d.png.a612caf60b915b22fecaa7495df63996.pngspr_toriel_d_breasts.png.a10c6ed795ffd40cb44dde0deea78cd6.png

spr_toriel_r.png.d26b294da9efa450423bac2042465ae3.pngspr_toriel_r_breasts.png.8adc8fe77b1900f6317abc7d30f7dd6b.png

 

testing if I should get rid of the breast line on the side sprites or not, been staring and working on it too long to tell. 

Spoiler

spr_toriel_handhold_r_1.png.55b6353da258d25b4dfbaa8793ddf0f2.pngspr_toriel_handhold_r_2.png.dc19c4bffb82b23997b6abf43dc4b177.png

 

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