IF - Underswap
STORY (COMPLETE):
In this story you play as a customizable Chara who has fallen into a monster kingdom under Lake Ebott.
This is a very normal Undertale AU fan game.
Everything is fine.
Nothing is wrong.
You can definitely trust the voice.
FEATURES:
- Adopt a goat dad today
- Meet a helpful flower
SeeRead about beautiful scenes- Date a skeleton
- Go through mazes
- Solve puzzles
- Play in the snow
- Date a second skeleton
- Make a lot of friends!
- Or don’t, you can ignore them. That’s cool.
- Boss Fights!
- Date a third skeleton?
- Uh ignore that one
- And most importantly of all
Die!Have fun!
ROUTES:
Friendship: Who needs romance when you have the power of friendship on your side?
Flower power: Meet & date a nice flower who does not try to kill you at all nope no sir-ee.
Lt. Blue: Meet & date a super cool dude who just loves to have a fun time please ignore the axe behind him, he is such a nice skeleton.
Punny: Meet & date a humerus monster that always stays chill because nothing gets under his skin.
Skeleton 3: Why would you do this to yourself?
DISCLAIMER:
Undertale (c) Toby Fox
Underswap is an Undertale fan AU created by Popcorn Pr1nce
This version was written & programmed by Darkpetal16
Music by HeatleyBros on YouTube
WALKTHROUGHS:
Complete walkthrough by ★TwinklePhoenix★: link
Fog maze walkthrough by ★TwinklePhoenix★: link
Official general walkthrough: link
Official romance walkthrough: link
Updated | 20 days ago |
Status | Released |
Platforms | HTML5 |
Rating | Rated 4.9 out of 5 stars (142 total ratings) |
Author | Darkpetal16 |
Genre | Interactive Fiction, Adventure |
Made with | Twine |
Tags | Cozy, cyoa, Dating Sim, Exploration, Fantasy, Singleplayer, underswap, Undertale |
Average session | A few hours |
Languages | English |
Inputs | Mouse, Touchscreen, Smartphone |
Accessibility | Color-blind friendly, Subtitles, High-contrast |
Development log
- ROMANCE WALKTHROUGHAug 02, 2023
- GENERAL WALKTHROUGHAug 02, 2023
- Devlog - Update 08-02-2023 for FINALEAug 02, 2023
- Devlog - Update 06-22-2023 for HOTLANDS/LABJun 23, 2023
- Devlog - Update 05-23-2023 for WATERFALLMay 23, 2023
- Devlog - Update 05-18-2023 for Update to the VoidMay 18, 2023
- Devlog - Update 05-07-2023 for Correcting Mobile FontMay 07, 2023
- Devlog - Update 05-05-2023 for Mini Map & MoreMay 05, 2023
Comments
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how did you make me like the love at first sight trope???
10/10 game, favorite route is the Lt. Blue route
OMGGGG I FINALLY FOUND THE SECRET <3
Was it the passcode to the book in the Librarby? What was it?
yup, can't tell you but I'll give you a hint, it's on another completed game (;
I was looking forward to sans but ended up with papyrus instead. Never thought of him until mc talk with cinna about him and I be like.. huh??? Tbh the ending is really beautiful I cried a bit but it's all happy tears
I've always choose kindness because I love the feeling of being kind
It's indeed really good to playthrough
not quite sure how this works, and i think more than three people have gotten to this point before me, but the [redacted] soul is interesting. also +Wingdings 100% hes silly. also im too lazy to go to the other page but slumbertale sans is my close second favorite
update got my legs chopped off
i have bravery soul trait, trying to pull papyrus with me, but when i attempt to do the you look around to spot the voice it just shows <3 BRAVERY TRAIT instead.......... help?
personality guide????? anybody hello help im lost?????????????
Click on romance walkthrough
Sans- attracted to any soul as long as your bright (so choose all happy options)
Papyrus- multiple souls (the 2 I know for sure are determination and bravery)
Gaster- ONLY wise
Flowey- same with sans, any soul and you can date him
yes i know but there isn't "You look around and try to spot the source" action there's only the words BRAVERY TRAIT and i need personality choice guide blud!!!!!!!!!!
There isn't? I just tried it and there was that option
(I chose the Bravery trait)
because you stayed cheerful
i don't wanna be cheerful i need to be living pessimism in every IF!!!!!
i want to be pessimistic but i am "confident" for some reason when i choose anything except for cheerful choices
Pretty sure that IS for papyrus! That's his first interaction for you to date him.
Again amazing game. (Sorry for all the comments) I feel like it would be cool if there were side stories here like in Underfell
Of course you don't have to :D!
Edit: didn't do Sans's route so I didn't know there was already extra scenes for him
There's one thing similar between the Underfell and this one and it's that gaster is low-key a yandere (more so in this one lol)
Don't get me wrong I love this, but how (and why) is Underswap so much darker than Underfell 😭
I do like how it is darker since it would be assumed that Underswap would be much brighter (ig?). It's a neat twist :)
For some reason I can't romance Flowey? I followed the romance walkthrough exactly but I can't choose him when talking to Aaron :(
Er. I tore up the notes and got the option now but both walkthroughs explicitly say not to do that so I guess I'll see how I go.
EDIT: Turns out I accidentally activated the Papyrus flags, I guess.
EDIT 2: NOW I'm stuck at "You go down the stone steps." Itch won't let me put an image here but the box is tiny and all I can see is the box, those words, and the back arrow.
EDIT 3: I restarted the game from the beginning trying to limit how much I loaded saves or pressed the back button and didn't get stuck this time. I got stuck at the "grim reaper" monster instead, the exact same way as I did at the steps, and couldn't follow the walkthrough for that part, so hopefully that's not...too important? I saved around that spot so it should be fine to try again later. I should add, I got this same problem in the Horrortale and Slumbertale IFs. But not once did I get it in the one for Underfell, and I haven't tried Mafiafell yet. Also, I'm using Firefox, and I tried switching to Chrome for a second but the problem still happened - so it's not likely to be a browser issue.
I am so love in with this game.
I nearly cried at the end 😭 Why can't I have a happy life with a cute boyfriend too 😔
Passcode 1 hehe :)
*claps woops and cheers* ANOTHER WONDERFUL GAME!!! WONDERFUL STUPENDOUS LOVELY!!!!!!!!! and for those who need it i found(?) code so i'll drop it down.. im lazy
xY07BB13Zf16
I might be late but omg passcode 1 seems amazing--
i need more games like these
Anyone know what the passcode in the book at the librarby is ? I'm struggling
passcode 2 :)
passcode 3? hehe
It is just me? but
When i play Windings route i get the friendship route, even if I technically had intimate conversations.
Maybe I missed something? But I followed the walktrough or its the correct one?
Someone help pls
oh gosh, this made me cry. i love it so much!! <3 papy
I love Sans and Papyrus but there is something about Wingding that just gets to me. I love how possessive and affectionate he is. I wanna keep him.
This game warmed my heart. I loved the little notes they wrote to each other, and Wingding's messages in his route made me melt.
This was amazing. <3
... wow.
what a journey!
Underswap never had been my favorite au, I often would just go past it, but your IFs are my actual favorite passtime to read, so I gave it a try.
And boy I'm so glad I did! I usually go W.D route first, always, but this time I decided to give Papyrus one a shoot, just to be graced with the wingdings message all along the way in a smooth reminder I'd have to replay for my favorite skely boy.
Paps route is super fun, super chill, I crave more of this cozy feelings in any future extra/bonus scenes you may add!
But W.D route? Woah. Just woah. You got me feral here, my sweet protective crazy scientist, how much I adore how you write him, underfell him is amazing, mafiafell my favorite, but this one? Such a sweet surprise, all his scenes got me giggling and smiling like a fool, thank you for this, his notes with paps and sans are also really, really, wholesome. (Also pass 1 sounds fun!)
Thank you for this game! ♡
ok wtf bro this IS AMAAAAZZZING why WHY am i only finding it now. good gosh this is bloody good man
honestly both passcode 1 and 2 are interesting, hope i see either one of those next time :]
honestly they all sound interesting but im hoping for code 1 :)
extreme excitement when thinking on romancing the hell out of Paps. just something about puns is so attractive for some reason honestly. I admit my sense of direction is awful that I was running in circles in the two areas that had the character going in different directions. but it only made me more determined to keep pushing forward.
there was a thrill to searching for the notes while on the side hardcore romancing Paps [and later Sans when playing a second time through]. I restarted quite a few times due to missing items, and questioning where one would earn a pretty coin to buy items [which when did learn it was truly satisfying].
I also enjoyed the random bits with Gaster popping up, and just had a dark lil thrill going against what was asked [and flipping the screen when my desire to go against the order was useless] I got caught at the lab as I did not know about the patience of waiting a bit longer.
utterly caught off from Gaster's voice or well his humming. truly alluring with the voice actor that I ended up a second time with the ending before going to the walkthrough to find the answer.
from there I enjoyed the rest of the game and romanced both the skeelton brothers [excluding Gaster, as Siren Call Gaster got in my head seeing him as a guardian figure rip] also the surprise in the lab was such an interesting bit and just truly a good shock for what is discovered.
once completed I enjoyed reading the lil drabbles, a tasty and lovely bonus
Passcode 1 sounds very interesting :))
you this is so cool. And THERES MORE games like this?! what a treat(≧∇≦)
I need help.. Who is Cinnamon? Otherwise, this game is so good! I'm really enjoying it. 10/10
Nevermind, I found her! :)
passcode 2... hehehehe
ive romanced everyone but flowey bcuz the game wont give me the option to find the third note in snowdin town and i keep dying wtf am i doing wrong ;-;
(ive gotten all good true happy endings except the romance flowey/asriel? path)
EDIT: nvm i have now romanced le flower boy :3
You finally got the flower. Good for you!
what is the ending song?? i can't find any credits for it but it's so good, it stuck on my head literally 😭
the game is so good but i was on the papyrus route and got killed by gaster how I stop that from happening 😭😭
did you drop the notes? if you did, that's practically a game-ender. try not to drop the notes, at all costs. be sure to collect all notes as well! if you're at the point where you "don't get a choice" to keep the notes, wait for 16 seconds! there's also a general walkthrough available if you need more help. hope this helps!
Omg I made an account just to comment, Handplates. I love your game.
It's beautiful......All of your games are the best and the sweetest and encouraging stories. The ending was just so heartfelt and the music, so calm and majestic, I loved every part of Underswap. Thank you so much for this masterpiece.
The ending is beautiful ❤️