Welcome to SteamAH, here is the guide on how to collect all 50 Monstermon cards in the game.
Blue Cards
During “The Hitman’s Potty Guard” storyline, go to gym instead of science. Help Carla snatch the ball from Jerome then return to Monty, who is laid helpless in the playground and talk to him. He’ll give you this card.
#2 – HARD BOOGAR
Pay Monty $3.00 to use the wheelchair ramp. Walk to the corner of the school wall and interact when the red exclamation mark appears. You’ll find the card.
#3 – BUCKET O WATER
This card is inside the locked janitor’s closet inside a yellow garbage bin. (Easy to obtain during the “A Tale of Two Janitors” storyline)
#4 – PALE TUNA
Follow the storyline of “If You Can Dodge a Nugget.” Once it gets to recess, go up the alleyway and talk to Agnes the dumpster hag. Trade her the box of nuggets for her cat Tenders. Go into the teachers’ lounge and buy a can of soda so Ms. Applegate will leave Nugget alone. Give Tenders to Nugget. You will get the card.
#5 – ULTRALODON
During the “If You Can Dodge a Nugget” storyline, pick up the severed leg from the Nugget cave and go to science instead of gym. Interact with the other leg on the far wall and Dr. Danner will give you this card.
#6 – CARNIVOROUS NIMBUS
Buy a can of soda from the vending machine during recess. Use a passbook to ask Ms. Applegate if you can use the bathroom. Ignore Stevie and go straight to the teachers’ lounge. During gym class, give the soda to Buggs to get this card.
#7 – TINY SQUID
Pay the lab fee after recess to go to the science lab. (It must be the plants lesson) Take an empty microscope slide then take a sample from the fish tank and look at it under the microscope. Dr Danner will give you this card. (Cannot be obtained at the same time as CHILL STUMP, but the area can be restarted to obtain both.)
#8 – CORAL THAT LOOKS LIKE HAND
Beat Carla in a Monstermon card battle. She’s on the far left of the playground by the trampoline during recess.
#9 – HERMIT FROG
In the 3rd cubby from the left in the downstairs classroom. Easy to grab during the “If You Can Dodge a Nugget” storyline while Ms. Applegate is out of the room.
#10 – CASTLE OF SAND
Climb the rock wall during recess. the grey grips are unstable, so stick to the green and yellow ones. The card is at the top.
Red Cards
Complete the “Breaking Sad” storyline.
#2 – CHAIR OF SPIKES
Whilst inside the girls’ bathroom, inspect the purple sofa. You will find this card between the cushions. (Easy to obtain during the “A Tale of Two Janitors” & “Flowers for Diana” storylines)
#3 – CIGARETMON
During the “Creature Feature” storyline, give the two hall monitors in the boys’ bathroom your lighter.
#4 – DUNE WORM
Complete the “If You Can Dodge a Nugget” storyline.
#5 – STRESSED LLAMA
Complete “The Hitman’s Potty Guard” storyline.
#6 – CYCLOPS DUCKLING
Talk to Jerome by the swings at recess. He’ll give you a riddle to solve. The correct answer is: YELLOW, BLUE, BLUE, RED, BLUE, RED. Solve it and the Monstermon card will appear.
#7 – TEENAGE MUTANT ZOMBIE
Beat Nugget in a Monstermon card battle. Nugget is in the sandbox in the playground during recess.
#8 – LONELY DRAGON
Buy a burger during lunch – make sure you have a passbook, either given to you for free from Stevie or bought from the vending machine. Skip ahead to recess. Go up the alleyway, bang on the dumpster and talk to Agnes the dumpster hag. Trade her the burger for her cat Smoky. Use your passbook to go inside, go to the boys’ bathroom and give Smoky to the hall monitor to get this card.
#9 – MILLION-HEAD HYDRA
Beat Ozzy in a Monstermon card battle. Ozzy is standing by the tree in the playground during recess.
#10 – DAB HERO
During gym class, help Jerome snatch the ball away from Carla.
Green Cards
Complete the “Flowers For Diana” storyline.
#2 – THE TALLEST TREE
During the “Flowers For Diana” storyline, you’ll be tasked with hiding some contraband in a tree then shaking a beehvive onto Penny. Once she’s ran away, inspect the fallen beehive to find the card.
#3 – CHILL STUMP
Pay the lab fee after recess to go to the science lab. (It must be the plants lesson) Take an empty microscope slide then take a sample from the large plant and look at it under the microscope. Dr Danner will give you this card. (Cannot be obtained at the same time as TINY SQUID, but the area can be restarted to obtain both.)
#4 – GNOME OF GARDEN
Before school starts, pay Monty $3.00 to use the wheelchair ramp. Pick the blue flower. Go to class, skip ahead. Get your passbook. Skip ahead to recess. Use your passbook to go to the bathroom during recess. Ignore Stevie and enter the teachers’ lounge. Take the yellow flower out of the vase and replace it with the blue one. The card will appear.
#5 – OFAKA TORNADO
Complete the “Things That Go Boom” storyline.
#6 – LITERALLY GRASS
During the “Flowers For Diana” storyline, you’ll be tasked with hiding some contraband in a tree then shaking a beehvive onto Penny. You must then sell the “contraband” to Monty to be able to afford your lab fee. Haggle with him by telling him you feel it’s worth more than $5.00 and you’ll also get this card.
#7 – DOODOO BUG
Take the A+ Report Card from your bedroom. Start the school day by talking to Felix, then talk to Ted, as if you were following “The Hitman’s Potty Guard” storyline. Talk to Cindy, get the gum and have Ted put it in Carla’s hair. Get the vending machine coupon from Carla. Use your report card to go to science class. Take the assessment and accept the toilet paper as your prize. Ask if you MAY leave, then go to the vending machine and use the coupon to buy a passbook. Skip ahead to lunch. Buy a burger then use your passbook, go to the boys bathroom and skip ahead until Ozzy comes in to use the toilet. Talk to him through the stall door and give him youe roll of toilet paper to *finally* get this card!
#8 – MYSTICAL TOMATO
Either while Margaret is making a vegan meal during “Flowers For Diana” storyline or making more burgers during the “If You Can Dodge a Nugget” storyline, you can find this card in the corner of the storeroom behind the lunch counter where the box of nuggets is.
#9 – HISSING FAUNA
Beat Monty in a Monstermon card battle. He’s in the centre of the playground during recess.
#10 – LEGENDARY SWORD
Pay Monty $3.00 to use the wheelchair ramp. Walk over to the trees and read the sign. Remember this order:
UP, LEFT, UP, RIGHT, UP, RIGHT, LEFT, UP. Enter the woods and follow this path. At the end, you will find this card.
Yellow Cards
Beat Jerome in a Monstermon card battle. Jerome is standing by the swings in the playground during recess.
#2 – ZEN OCTOPUS
During morning time, go to the toy box and take the fidget spinner before Nugget comes in. When he comes in, give it to him.
#3 – FORBIDDEN BOOK
Talk to the Principal before school starts to get a principal pass. During lunch, use it to go to her office. Ask her if you can look around. Interact with the red book on the bookshelf to find this card
#4 – MARSHMALLOW
Beat Cindy in a Monstermon card battle. She’s on the far left of the playground by the trampoline during recess.
#5 – POT OF GREASE
Follow “Flowers For Diana”‘s storyline – once you’ve obtained the vegan salad for Cindy, DON’T give it to Felix. Skip ahead to Recess, go down the alley and give it to Agnes the dumpster hag in exchange for her cat Gravy. Give the cat to Cindy to obtain the Monstermon card.
#6 – LAMB WITH CLEAVER
Complete the “A Tale of Two Janitors” storyline.
#7 – TREASURE CHEST
Complete the “Cain’s Not Able” storyline by siding with Felix.
#8 – MR. NICE GUY
Follow “A Tale of Two Janitors” storyline. Before going into the science lab to speak to Monty, enter the girls’ bathroom and talk to Bob. Tell him that you can’t read or write. He will go and speak to the Janitor and think the matter is sorted, rewarding you with this card. This doesn’t affect the story whatsoever and you can continue on.
#9 – THE SLURPER
During the “Creature Feature” storyline – find it in the bottom-left corner of the Principal’s secret lab.
#10 – RARE JEWEL
Beat Felix in a Monstermon card battle. He’s standing by the rock climbing wall during recess.
Purple Cards
During lunch, Ozzy will leave to use the bathroom, leaving his bag lunch unattended. Interact with it to get the Monstermon card. (Easy to obtain during the “Flowers For Diana” storyline)
#2 – KILLER EYE
Complete the “Opposites Attract” storyline.
#3 – PURPLE PLUSH
After Ms. Applegate has chased Jerome out of gym class for hitting her with a ball during the “Cain’s Not Able” storyline, go into the downstairs classroom and look in the toy box.
#4 – SPIKY FLIM FLAM
Beat Buggs in a Monstermon card battle. Buggs is in study hall, so either get sent there yourself or sneak in during recess to see him.
#5 – MONSTER GHOST
Start the day with the A+ REPORT CARD and PENNY’S LASER. Skip ahead to morning time and go to the smart class. Talk to Monty and give him the laser. He will reward you with this card.
#6 – KNIGHT WHO TURNED EVIL
Complete the “Cain’s Not Able” storyline by siding with Ted.
#7 – EVIL THWARTER
Beat Agnes the dumpster hag in a Monstermon card battle. Bang on the side of her dumpster and ask to battle her during recess.
#8 – MYSTERIOUS PACKAGE
Examine the box that Billy was hiding in in the sewer tunnel. (Easily done during the “Things That Go Boom” storyline.
#9 – OGLEBOP OGRE
During the “Opposites Attract” storyline, you’ll have to play house with Cindy to get Penny’s doll back. Before you go into the classroom, go to the boys’ bathroom and clog one of the toilets with your roll of toilet paper “prize” from earlier. When Cindy calls the Janitor to play a cop and kill you, he will say he’s busy unclogging a toilet and that he’s found a Monstermon card. Go back into the boys’ bathroom and talk to him to get it.
#10 – DANK MAGICIAN
Complete the “Creature Feature” storyline.