Undergarf is where the characters of Garfield and Undertale combine. It's a carefree place, free of war and strife. Free of mondays! You play as Nermal, who stumbles upon this world and challenges Sansfield, the fusion of Sans and Garfield, to the ultimate duel.

UNDERGARF INTRO
UNDERGARF CAST (COMING SOON)
SANSFIELD VS NERMAL (COMING SOON)
MONDYMANIA (COMING SOON)

Bad Monday Simulator has it's own category on Twitch! Also:

monD monKEKW monPray monRIP monS 
monTalk monLaugh monZZZ monSadge monLasagna

Bad Monday Simulator is drawn by myself, Lumpy.
programmed by Spasco
and has music by Polarial
Inspired by the works of Toby Fox
Inspired by the works of the immaculate Jim Davis.

Additional music used:
【無料フリーBGM】パイプオルガンの明るく荘厳な曲「Pray Organ3」 https://peritune.com/blog/2020/12/07/pray_organ3/
【無料フリーBGM】パイプオルガンの悲しいレクイエム「Pray_Organ2」 https://peritune.com/blog/2019/11/10/pray_organ2/

  • FAQ: I'm not hearing any music! How can I fix it? A: Try reopening your web browser.
  • FAQ: Will the soundtrack be releasing? A: YES. It'll be on YouTube soon.
  • FAQ: How many endings are there? A: 6. 2 for Normal Mode. 2 for Hard Mode. 2 for Monday Mode.
  • FAQ: Monday Mode seems impossible. A: That's not a question. And yea, it is. I can't beat the game on Monday, that's for sure.
  • TIP: Praying sometimes summons a rare Pasta Fairy! Try doing some PRAYS early, and if you're lucky, maybe you can stockpile some healing items!
  • TIP: Sansfield inflicts poison/karma damage when he hits you. This is displayed as purple health and slowly ticks down. Items cure poison/karma and THEN heal you! So healing quickly means you can recover more hp!
  • TIP: When Sansfield is sleeping, he prefers to not be disturbed.

Feel free to use this artwork from the game for YouTube Thumbnails/articles, etc.

Latest update is live!
-WASD controls added.
-all videos are now unlocked!
-some more bugfixes

StatusReleased
PlatformsHTML5
Rating
Rated 4.8 out of 5 stars
(533 total ratings)
AuthorsLumpy, Spasco
GenreRole Playing
Made withGameMaker
TagsBoss battle, Fangame, Indie, lumpy, Parody, Pixel Art, Singleplayer, Undertale, video

Comments

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Viewing most recent comments 1 to 40 of 534 · Next page · Last page

LETS GOOO BEAT HIM IN NORMAL AND PHASE 3 IN HARD MODE FIRST TRY

beat hard mode twice

pooky blaster needs to be nerfed because that shit is unfai

WHERE IS ME PIPE

(-1)

WHERE IS MI PIPE? 🚬😾 G A A A A A A A A R F I E E E E E L D !!!

(-1)

full screen?

DPS too high tho

exactly, it is high cuz its supposed to be hard

1 frame is like 5 dmg or sum (this is now a bullet hell)

what are you guys talking about it isnt too high your supposed to dodge it

nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster nerf pookie blaster!!!!!

(+1)

just get better pluh

es imposible 

Buen fangame,aun que tu podrias hacer para que se pueda descragar?,pregunto por que es muy bueno pero como es de la web nesesito internet para poder jugarlo,asi que mi pregunta es si lo podes hacer para que lo descargemos para que asi lo tengamos y podamos jugar en cualquier moment

(1 edit)

tips to dodge attacks for people who have suck at undertale fangames (or rusty like me):
phase 1:

bone barrage:
as soon as jump and land behind the second bone, then after that go left a little bit, then do a high jump... oh yea and then do another high jump immediately because of odie
jon's pipe:
pretty much the only thing you gotta know is to stay on the right side
and before you say it, when garfield smokes, you just move back and forth since the smoke goes down when you're under it

mouse blaster..... thing:
pray.

odie kick:
safest part is at the bottom left corner, that's all i gotta say

burger:
safest place is at the bottom, when the burger opens go straight through the center, then go back at the bottom

phase 1.5:
pretty much just cycles between 2 attacks till garfield is fully healed, so you gotta memorize them

phase 2:
like 1.5, cycles between attacks, and you have to memorize them too

edit: unrelated but after tons of attempts (luck was not on my side for a bit), I'VE FINALLY DONE THE PRAY ONLY CHALLENGE

I doing monday on frist time

now to make full screen?

sleep mode is very hard

I wish this was controller compatible.

pookie is hard even on normal mode

nuh uh

God can't save you now

my only tip for Monday mode is this:


P I C K A G O D A N D P R A Y.

phase 2 actually has a pattern for his attack order, use it to your advantage. I recommend attacking for every move except for the move you make before he uses sans + Garfield gun attack, on that one, if you're not 45 health or more, use a heal.

the garfield gun attack, even im in max/45 and more, i still died many times. its annoying hard.

I finnally finished normal mode and got both endings (thanks to lucky prays)

bro I won all of normal mode

not fair

Nice job lumpy!

this game makes me want to throw nitroglycerin into my fireplace

Show post...

i Suck At This But Cool Game!

ok

what to do when "mega sansfield" shows up and he does the sans bone and garfield gun attack?

dodge it i guess

(+1)(-2)

That's the problem. I can't

I can't either

just have a enough hp and circle around the box and go under the bone and tank the bullet

the woman in the center

just dodge

(+4)

i suck at this but good game

lol a tornado is about to suck me up

maybe im not sure but there is a spinny cloud

boring as tornado it just stopped it didnt do anything

ok

(-1)

not me about to say the n word cause of some stupid cat

(+1)

not me about to leak your home address

how do i fullscreen

(1 edit)

there is no fullscreen

edit you can go to this page and zoom in

make easy mode now!

get better now!

shut the fock up now! and go touch grass

go fock yourself😡🔥

now!*

im sorry

yeah and pls fix the damage its alot i always get one health by on attack

if you dodge it you don't get hit

shut up

man at least fix the ted blaster thingies

try moving out of the way

(+1)

This game is AMAZING, love playing this, the animations and sprites are so good, and gameplay is so fun with pray mechanic, idk just love this UT fangame.

Deleted 54 days ago

what i ment to say was you have a 2 face which means you are nice to one rude to others to gain attention so huh.

Sorry if I offended you, it's just that I think it's funny that people ask for the easy mode

ah welp sorry for rude comment

fantastic also dont add and easy mode

god i hope bad monday sim modding becomes advanced enough to add easy mode some day

how about you just get better?

like actually

can u give me a tip then i dont understand the way ur supposed too dodge the zzzz attack i know skill issue but i dont understand the way ur supposed too deal with it i can do the rest of the game without taking damage but i always die on the zzz attack

you have to move up and down with it don't move left or right once you get the Rythym right it's much easier

also u can hold x to go slow

you can?

good game i recommend.

(-1)

can I download this game

recent comment

BYJGIGIGOHO

NO WAY YOU JUST SAID THAT

why did you reply to yourself?

why dont u 

idk

(+1)

can you add an easy mode? like maybe start with 200 HP and twice as many items as you do in normal, thanks!

(+1)

G E T  B E T T E R  N O O B

(+2)

no

Bro why u so mean 0_0??

he just needs to get better

or just try.

(1 edit)

It's funny see those discussions with guys/noobs who want easy mode lol

agreed, we need lumpy to see this, upvote

orrrrrr you could get better

(1 edit)

i beat ALL bosses in ALL routes of UNDERTALE, UNDERTALE YELLOW, DELTATRAVELER, OVERTIME, TS!UNDERSWAP DEM0 2.0, DELTARUNE, and many more. and i can't. beat. Sansfield. (skill issue ik but still, just add an ez mode pls, lumpy-)

play other harder ones

this one has a web browsee play https://gamejolt.com/games/Underfell-Mettaton/853341

i found that when the attack with odie explodes into bones go to the bottom left corner and u will never get hit.

I just know that, its a good defense lol

(+1)

pls ad test difficulty where  you dont thake damege

you need to get better

oooor counterpoint: just git gud

Its just get better, I just reached phase 2 playing by 2 days

heya

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