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Dr. Gaster Ukagaka/Ghost by zarla Dr. Gaster Ukagaka/Ghost by zarla
Alright, here goes nothing. I mentioned at the end of the desc for Hunter and Smoker that I was working on him, and now he's done! Read the following carefully! I don't want to have to answer questions I answered here already, haha.

Last updated - 2.1.19 - details

Edit - If SSP keeps closing itself, try checking this thread!
If you're having trouble petting him, look for the hotspot on top of his head where your cursor changes to a hand. Without clicking, move your mouse in that area! If you go outside the area it'll reset the stroke count. Little circles work well.
If he's locking up when updating, try restarting, or applying any Windows updates you might have waiting.

What is an Ukagaka/Ghost, you may be wondering? An Ukagaka (伺か)/Nanika (何か)/Ghost is basically a little program that adds some characters to your desktop. These characters are highly customizable and can be very complicated, depending on the Ghost. Each Ghost is different (they are not the same as Shimejis, if you're wondering). A FLELE (Shell-Collectors) is a type of Ghost, if you've messed with those. This Gaster is specifically from Handplates, so some of the stuff he says might not make much sense if you haven't read the comic. Some of it may also have spoilers for Undertale, so you should probably have played the game first as well.

I made a page for him with info and directions for how to install him, but I'll replicate most of it here for convenience's sake (and in case it goes down, which hopefully won't happen...)

Anyway, here are his features!
  • Gaster will say random things as he idles on your desktop, and his dialogue will change in a whole lot of ways as you continue to interact with him. If you ask him about Alphys, he will start to say random things about Alphys, for example. You can also make him be silent if you don't want him bothering you.
  • You can pet Gaster by stroking his head with your mouse (don't click, just move your mouse in the right area), or punch him by double-clicking his face. The more you do each action, the more his reactions to each will change.
  • Gaster can also do standard Ghost functions, such as...
    • Set a picture as your wallpaper
    • Empty your recycle bin
    • Tell you your computer's stats
    • Check if you have new email (if you set your POP settings in SSP correctly)
    • Update himself remotely when he has new material
    • If you drag and drop a compatible site on him, he'll add it to Headlines or RSS feeds, and you can see if there are new posts
  • Gaster has a pretty complex relationship system, wherein he'll track how you treat him and change his reactions and dialogue accordingly. Even small actions may change some things without you knowing.
  • You can keep track of your interactions with him through a stat menu. You can also reset Gaster back to his default state if you want to start your relationship over with him. Certain things, however, he may not forget...
  • While Gaster may not say a lot randomly while he's idling, he has an enormous amount of text in his menus. Specifically in three places:
    • You can ask him questions about many things. He has multiple responses to each, and what he says will also change depending on what you do. You may be surprised by him saying something new even if you think you've heard it all before. Asking him questions can sometimes also lead to unique interactions.
    • You can interact with him, in true Undertale fashion. The ACT menu is dynamic, and will change depending on your actions. You may notice options appearing as a result of something you did, or disappearing as his feelings towards you change. He may not always be receptive towards something you do.
    • You can give him ITEMs... or try to, anyway. Whether or not he'll accept one depends on the relationship you have with him. Certain items are permanent, and once given, can be checked on via the Item menu, or may appear randomly in general dialogue or when he boots. Other items are only accepted under certain circumstances, times of day, or a limited amount of times. Of note are scarves - if you give him a scarf of a certain color, you will see him wearing that particular scarf later... if he decides to wear it, anyway.
  • Gaster will check on the brothers via his phone! It's not available at the start though - you will have to figure out how to unlock it yourself...
  • He'll also announce the top of the hour. Usually.

How to Install

Basically, you can't run Gaster (or any Ghost) by himself - you need a baseware program first. SSP, the program most commonly used for running Ghosts, is compatible with Windows XP, 7, 8, 10, Vista... probably anything more current than XP. If you're using a Mac or are running Linux though, there are still options for you, but I can't personally tell you how to get them to work. I have heard from people who did get Ghosts running on their Mac using one of these methods though, so it IS possible. But Google Translate will probably be your friend here.
Macs - Ukagaka on Macs, NiseRingo, PlayonMac+SSP (10.6 or above), WineBottler (I think?)
Linux - NINIX, NINIX-AYA
Android - Ukagaka for Android (I have NOT tested this, so...)

If you are using Windows though, just follow these directions and you'll be set in no time! If you already have SSP installed, you can just skip to the end, haha.


  1. The first thing you'll want to do is download and install SSP. While the site is in Japanese, just look for the "complete install package" download on the left. Download it somewhere and install it.
  2. When that's done, run SSP.exe, the program with the little bell icon. A catgirl named Emily should pop up and start talking to you in Japanese, and end up throwing up a big menu. For now, ignore all of that, and just close the menu when it appears. You can also hold down a key to speed through her text. She's the default Ghost that comes with SSP, if you're curious.
  3. Right-click the catgirl. It should bring up a long menu. If it's in English, then you have nothing to worry about. If it's not, go to the fourth option from the bottom, set it to English, then close the catgirl and reopen her. The right click menu should switch to English. The catgirl ghost will still be in Japanese though.
  4. Download the z_undertale.zip, which is the balloon Gaster will be using. You want to do this first so he'll use the right balloon when he first appears.
  5. Drag and drop the z_undertale.zip onto the catgirl's face. It should look like she's installing something. She might tell you the balloon's name when she's done. If you right-click her and go to the Balloon tab, you should hopefully see the Undertale balloon listed.
  6. Download the z_gaster.nar file. This is the actual Ghost.
  7. Drag and drop the z_gaster.nar file onto the catgirl. She should again look like she's installing something. She'll probably say Gaster's name when she's done.
  8. Right-click Emily and go to the "Change Ghost" tab. You should now see Gaster listed! Switch over to him and you should be ready to go. If he's not using his balloon, you can use the Balloon tab to switch him to it.

If you already have SSP coming into this, then all you have to do is drag and drop his respective balloon zip and nar onto your current ghost, and he'll install. I'm linking here to mirrors on mediafire, but if they don't work, the files are also on the page I made for him I talked about at the beginning.

If you can't get Emily to install the files

What you can do instead is unpack the files manually. If you don't have an unzipping program (I think this is included with Windows now? but), I use 7-zip myself, it's free and pretty versatile. First, extract the z_undertale.zip, so you have a folder called "z_undertale". Then you'll want to go into SSP's balloon directory... it'd be under SSP\Balloon. You should see two folders in there called "ssp" and "emily4" if you're in the right place. Cut and paste the "z_undertale" folder into that folder. Then close and reopen Emily, and check if the Undertale balloon is listed. If so, then you're good!

For Gaster, you'll want to do basically the same thing with the SSP/Ghost folder. First, extract the z_gaster.nar into a folder (a nar is basically a renamed zip file, any zip program should be able to unpack it. 7-zip can do it, for example). You should end up with a z_gaster folder, and inside the folder there should be two subfolders, called "ghost" and "shell". If everything's in place, cut the "z_gaster" folder, and paste it into the ssp\ghost folder, so the ssp\ghost folder should now have both an emily4 folder, and a z_gaster folder. Then close and reopen Emily, and see if Gaster is listed under "change ghost". If so, you're good!

Quick User's Guide

You can stroke his head with your mouse to pet him, or double-click his face to hit him. It'll ask you if you're sure you want to hit him (for the first time, anyway), so you can't do it by accident if you're worried.

Double click his body to open his personal menu. This is the menu with the unique menu options I outlined above.

Right click his body to open the general SSP menu. You can use this to change Ghosts or Balloons.

To check for updates, select it from his functions menu, right-click him and click Check for Updates from the SSP menu, or hit Ctrl-U when he's the focus. He should check for any new stuff and download it automatically. I usually post about new updates in this entry. If you run into any bugs or problems with him, you can leave me a comment there (or here, I suppose) and I'll see if I can fix them.

If you want him to stay on top of your windows, right click him, then go to Options - Preferences, then the Ghost(2) tab in the big menu that pops up. Check "Always Show Foreground" and that should do it.

If you want to make him bigger or smaller, right click him and go to shell scaling, then choose the percentage you like.

If he doesn't seem to be retaining values in his stat screen (like if you pet him five times for example), you can try deleting the aya5_variable.cfg file and letting him make a new one by telling him to reset from his personal menu. You can find this file in the folder where you installed SSP - something like, \SSP\ghost\z_gaster\ghost\master depending on where you put SSP, of course. If the aya5_variable file has been write-protected you might also run into this problem, or if it's in Dropbox. Try moving SSP somewhere else and see if that helps. It's a very lightweight program.

If you want to uninstall SSP, just delete the SSP folder. If you just want to uninstall Gaster, delete the z_gaster folder inside the SSP\ghost folder. You can also turn on the Uninstall option in his personal menu, then select Uninstall from the right click menu.

Gaster's desktop tray icon is a little icon of his SOUL. If you can't find the bell icon while he's running, look for the SOUL icon instead.

Even if you've been treating him well, Gaster may still at times be arrogant, self-absorbed, secretive, brusque or sarcastic. It's just how he is.

If you like Ghosts, you can also check out my Hunter and Smoker Ukagaka/Ghost! They are also pretty complicated and I put a lot of work into them, haha. If you're interested in Ghosts and/or want to look into making one yourself, I also wrote up a big long site about how to do that! It has more information about Ghosts and how they work than I'm getting into here, but a lot of it is technical stuff that's not super relevant to the casual user...


Dr. Gaster, the brothers (c) Undertale: one way to celebrate an anniversary anyway

Add a Comment:
 
:iconnaama5000:
naama5000 Featured By Owner 7 hours ago
GASTER STOP THINKING ABOUT CIGARETTES IT'S NOT HEALTHY
Reply
:iconstarlightbones:
StarlightBones Featured By Owner 3 days ago  New Deviant Hobbyist General Artist
I'd love to be able to give him cheekbone kisses more often. I'm not trying to be his girlfriend- I just want to show him platonic affection. Hugs, cheek/forehead kisses, pets... and omg the boys are too much, I can't even when they start asking for pets, the only way I can stop is when I fuzz one. I turn into Asgore when he saw Sans Kitten Sneeze.
Reply
:iconraniarts:
RaniArts Featured By Owner Mar 2, 2019  Hobbyist Digital Artist
Hey, so can anyone help me with this? I keep on trying to install him but every time I try to run the application after I placed his files into the program, it keeps on saying "uncontinuable exception raised" and that I have to report the contents of "STACKTRC.TXT" to "SSP BUGTRAQ". I have no clue what it means. Have any of y'all dealt with this problem before?
Reply
:iconlightningchaser20:
lightningchaser20 Featured By Owner Mar 1, 2019  Hobbyist Digital Artist
how to fuzz? i already set it to fuzz but it won't work
Reply
:iconstarlightbones:
StarlightBones Featured By Owner 3 days ago  New Deviant Hobbyist General Artist
Pet him. A lot. So worth it.
Reply
:iconundertaleloverpapyru:
i want him
but i don't want things on my desktop, since my entire family uses this pc
though, can you have multiple different ghosts? will they interact? will they interact with smenjies?
Reply
:iconhestia2005:
Hestia2005 Featured By Owner Feb 23, 2019
I.
want this.
SO
FLUFFING
BADLY
Reply
:iconfellsans:
fellSans Featured By Owner Feb 15, 2019  Hobbyist Writer
I still haven't been able to get to the brothers, other than on his phone and I can't seem to figure out how. xD;;
Reply
:iconstarlightbones:
StarlightBones Featured By Owner Feb 13, 2019  New Deviant Hobbyist General Artist
I found out what happened but not how to fix it.... restarting my computer resets him. I just lost 4000 pets T^T that I got again. I just figured I should let the Dev know about this. I also still can't restore to my backup.
Reply
:iconhkitty12346:
hkitty12346 Featured By Owner Feb 11, 2019  Hobbyist Digital Artist
Sorry if this was already answered, but is there any way for me (or anyone, rather) to see what we confided in Gaster?
Reply
:iconzarla:
zarla Featured By Owner Feb 11, 2019  Hobbyist General Artist
Nope, haha
Reply
:iconhkitty12346:
hkitty12346 Featured By Owner Feb 16, 2019  Hobbyist Digital Artist
Nice, thanks
Reply
:iconstarlightbones:
StarlightBones Featured By Owner Edited Feb 3, 2019  New Deviant Hobbyist General Artist
How do I restore him to a backup? One of my cats walked on the keyboard and now I can't hug him. It has disappeared. Considering I have over 2000 pets.... 

Edit: I reset him. Also, how do I install the fonts? The internet isn't helping much. 
Also.... can I just say he's so cute when he's angry at me? I'm treating him very well.
Reply
:iconmissjulyfarraday:
MissJulyFarraday Featured By Owner Feb 4, 2019  Hobbyist Artist
You can find the fonts in the undertale balloon file. Just right-click and then click "install". :)
Reply
:iconstarlightbones:
StarlightBones Featured By Owner Feb 6, 2019  New Deviant Hobbyist General Artist
Thank you so much!
Reply
:iconrosita66113:
Rosita66113 Featured By Owner Feb 2, 2019  Hobbyist General Artist
I think I have found a bug..
Jajaja by Rosita66113  
He dosen't look like he's asleep... jeje
Reply
:icons1lverf0x:
S1lverF0x Featured By Owner Feb 1, 2019  Hobbyist Digital Artist
Oh wow this is awesome...
I NEED to get this.
Reply
:iconsmeusel:
smeusel Featured By Owner Jan 29, 2019  Student Digital Artist
Does this work with Chromebooks? I really want this, so I want to make sure it actually is possible before I try.
Reply
:iconsunnyyoon0703:
sunnyyoon0703 Featured By Owner Jan 25, 2019
I recently figured out that gaster reacts to three phrases in 'Confide' option, and one of them is 'I love you'...
Does anyone know what the two other phrases are??? It's drving me craaazy and i tried all kinds of things...
Reply
:iconmissjulyfarraday:
MissJulyFarraday Featured By Owner Jan 26, 2019  Hobbyist Artist
Another one is "turgle turgle". Don't ask me what it means, I have NO IDEA! ^^" But he does react to this. 
Reply
:iconsunnyyoon0703:
sunnyyoon0703 Featured By Owner Jan 27, 2019
aaha thank you!! now to find the last one.......
Reply
:iconmicrosoftpaintcrap:
MicrosoftPaintCrap Featured By Owner Mar 8, 2019
Idk if you've found the last one yet but I think it's, "are the brothers ok?" Mainly because I got this response: "*(He finishes his notes on what you were saying. You ask him if he's planning on sharing them.) No. *(You ask why he took them then.) Do you know anything about science at all? *(...At least you got that off your chest.)
Idk if someone else has already commented this, if so ignore this... unless you didn't know it either.
Reply
:icontrainheartnet413:
trainheartnet413 Featured By Owner Jan 23, 2019
Sometimes you can turn off the wingdings translator when you ask him to say something. Does anyone know what he is saying?
Reply
:iconsongwithnosoul:
songwithnosoul Featured By Owner Feb 22, 2019
I've found eight different phrases that he says.

(SPOILERS, obviously)

How much longer are you going to keep me here?

Hmm... I really need to check on those CORE readings...

Human computers are not what I expected.

I wonder what Alphys is doing...

Ugh, I'm losing so much time for work...

Could you take the king here as well as me? I formally request that you do not do such a thing.

What was that beeping noise?

What are you up to out there? You're giving me a strange look.

--

IDK if he says other things on the negative route or what. These are the only ones I've seen.
Reply
:iconarieldelicious:
ArielDelicious Featured By Owner Jan 27, 2019  Hobbyist Traditional Artist
It says,
"HMM… I REALLY NEED TO CHECK ON THOSE CORE READINGS"


(It took ages to get that text message up to decode it)

Reply
:icontrainheartnet413:
trainheartnet413 Featured By Owner Jan 27, 2019
Thank you! This is helpful!
Reply
:iconmissjulyfarraday:
MissJulyFarraday Featured By Owner Jan 26, 2019  Hobbyist Artist
So far, there's just one phrase I got to understand/decrypt quickly. (Pure luck…) He was saying something like "I wonder what Alphys is doing..?" But I might be wrong. For the other phrases, I don't know.
Reply
:icontrainheartnet413:
trainheartnet413 Featured By Owner Jan 27, 2019
Thank you very much!!!
Reply
:iconarieldelicious:
ArielDelicious Featured By Owner Jan 27, 2019  Hobbyist Traditional Artist
Oh, maybe it changes then?
Reply
:iconmissjulyfarraday:
MissJulyFarraday Featured By Owner Jan 27, 2019  Hobbyist Artist
Yeah, the phrases are different each time. But there's just that one phrase I got to decode so far. 
Reply
:iconheygurlfuckya:
HeyGurlFuckya Featured By Owner Edited Jan 22, 2019  Hobbyist General Artist
OK SO I have LVL 0.3 for nickpicking him and I want to reset but I don't know how :/

EDIT : I FOUND
Reply
:iconheygurlfuckya:
HeyGurlFuckya Featured By Owner Jan 19, 2019  Hobbyist General Artist
omg I want the brothers so much why ;-;
Reply
:iconheygurlfuckya:
HeyGurlFuckya Featured By Owner Jan 16, 2019  Hobbyist General Artist
I MADE HIM SMILE I'M SO PROUD ;-;
Reply
:iconheygurlfuckya:
HeyGurlFuckya Featured By Owner Jan 16, 2019  Hobbyist General Artist
THIS IS FUCKING AMAZING AAA
Reply
:icononepiecefangirl4ever:
ever planning on adding a older sans and papyrus that would interact with gaster ?
Reply
:icongreencharisard:
GreenCharisard Featured By Owner Edited Jan 14, 2019  Hobbyist General Artist
I'm trying to download the UT template (zip file) and my browser keeps on crashing every time it opens the mediafire page
Is there a way to work around this? (I'm using windows 10 and edge, if it's of any help)

edit: actually, it crashes even while trying to download the nar file for the ghost itself, I can't get any of the downloads going because the browser crashes as I open the page

Another edit... I tried opening the thing with IE, and the page didn't crash, however both the downloads gave me error codes instead of starting and triggered intrusive ads

Now I believe edge + my adblock closed the mediafire pages because there's a virus or just those intrusive ads in it
Reply
:iconzarla:
zarla Featured By Owner Jan 16, 2019  Hobbyist General Artist
If you're having trouble with the mediafire links, you can download the files directly from my site - www.drdowasure.com/gaster/
Reply
:icongreencharisard:
GreenCharisard Featured By Owner Jan 16, 2019  Hobbyist General Artist
Thank you
Reply
:iconsihiro:
Sihiro Featured By Owner Jan 6, 2019  Hobbyist Digital Artist
he has had the hiccups for at least 5 times today. 10/10 would pet again
Reply
:iconseabunshenanigans:
SeaBunShenanigans Featured By Owner Jan 2, 2019
I think there's a bit of a bug where if he's sleeping sitting down, you can't pet him at all. Is anyone else getting this bug?
Reply
:iconzarla:
zarla Featured By Owner Jan 16, 2019  Hobbyist General Artist
Ah yeah, that was my mistake, I forgot to change some coordinates. It'll be fixed with his next update.
Reply
:iconseabunshenanigans:
SeaBunShenanigans Featured By Owner Jan 16, 2019
Oh awesome! Thanks so much!
Reply
:iconderriala:
Derriala Featured By Owner Jan 4, 2019
I can pet him if he's sitting, but not if I've given him the blanket... weird.
Reply
:iconseabunshenanigans:
SeaBunShenanigans Featured By Owner Jan 4, 2019
Yeah, SSP crashes if I try and pet him with the blanket on. I've hard to restart my computer to even get it working again. Nice to know that I'm not going completely crazy though.
Reply
:icondoodlefreak21:
DoodleFreak21 Featured By Owner Dec 24, 2018  Hobbyist Digital Artist
I Can't Breathe by DoodleFreak21  HOLY SHIT I CANNOT BREATHE I PUT GOOGLY EYES ON HIM
Reply
:iconnaama5000:
naama5000 Featured By Owner 8 hours ago
it's the best, huh?
I agree with the text: this was the best decision of my life.
Reply
:icondoodlefreak21:
DoodleFreak21 Featured By Owner 8 hours ago  Hobbyist Digital Artist
THIS IS WHY DA SHOULD LET US LIKE COMMENTS AND REPLIES
Reply
:icondinoprincess2005:
DinoPrincess2005 Featured By Owner Dec 28, 2018  Hobbyist Digital Artist
😂
Reply
:icondoodlefreak21:
DoodleFreak21 Featured By Owner Dec 24, 2018  Hobbyist Digital Artist
i love this aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
Reply
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