Dress Up

Dress Up is a feature in Freeplay Mode where you can dress up. You choose from hats, face accessories, hand items, neck wear, torso wear, leg wear, shoes and shoulder items to put on your Grumpus. You can also purchase items to make a full costume (e.g. Beffica's Halloween pirate costume). Seasonal costumes are also available during different events.

Headwear

 * Bowler Hat
 * Sausage
 * Do-rag
 * Headset
 * Chef
 * Party Time

Face Items

 * Shades
 * Monocle
 * DJ Visor
 * Pandemic Mask
 * Face Paint
 * Dino Mask

Hand Items

 * Bug Net
 * Toilet Paper
 * Radio
 * I Heart Bugsnax Coffee Mug
 * Umbrella
 * Water Pistol

Neck Wear

 * Scarf

Torso Wear

 * Shirt
 * Scout
 * Jumper

Filbo

 * Pumpkin (Pumpkin lid, orange face paint, pumpkin torso, vine legs, orange shoes) (Halloween) "I more likely CARVE this costume than crave it!"


 * Gingerbread (Gingerbread head, cookie face, cookie torso, biscuit legs, cookie shoes, hot cocoa mug) (Christmas) "A perfect dunk for milk!"


 * Road (Fully painted like a road) (Non-event) "You're driving down the wrong side of it."
 * Bunny (Bunny head, rabbit face, cottontail torso, bunny legs, rabbit feet, Easter basket) (Easter) "That's all, folks. Not! There's more!"
 * Cocktail (Shades, Hawaiian top, swimming trunks, sandals, cocktail nectar) (Summer) "On my way to the beach!"
 * Young Filbo (T-shirt, shorts, runners) (Backstories Snakstories) "When Filbo was your age..."

Wambus

 * Western (Cowboy hat, jacket, cigar, jeans, boots, lasso) (Halloween) "YEEEE-HAAW!"
 * Reindeer (Antlers, face paint, reindeer torso, hooves, apple) (Christmas) "Wambus got run over by a Bunger, going home from Snaktooth, Christmas Eve!"
 * Detective (Detective hat, coat, magnifying glass) (Non-event) "Detective Wambus is on the case!"
 * Spring (Easter hat, pastel-colored flannel vest, flower) (Easter) "The fresh air of spring!"
 * BBQ (Sun hat, sunscreen, apron with "Kiss the Cook" written on, spatula) (Summer) "Say hi to summer with a nice BBQ!"

Beffica

 * Buccaneer (Pirate hat, eyepatch, shoulder parrot, coat, pants, boot and peg leg, hook) (Halloween) "Arrrrh maties!"
 * Ugly Sweater (Antler headband, ugly sweater, ug boots, bell) (Christmas) "It honestly doesn't look that ugly."
 * Ninja (Mask, ninja cloak, belt, nunchucks) (Non-event) "Get ready to kick back, vanish through shadows and have some ninja fun!"
 * Mermaid (Clam bikini, fish tail, coral) (Summer) "Under the sea! Down where it's funner, down with no Bungers!"
 * Emo (Drooping hair, makeup and piercings, black hoodie, grey skirt, navy tights, guitar) (Backstories Snakstories) "Back to a sad phase..."

Cromdo

 * Blue Paint (Painted blue) (Halloween) "Too cheap for a costume? Give this a try!"
 * Penguin (Penguin costume, frozen fish) (Christmas) "He always keeps a frozen fish handy."
 * Bunger (Dressed in bunger costume) (Backstories Snakstories) "Brings back memories..."

Gramble

 * Mummified (Wrapped in toilet paper, Ankh-Mirror) (Halloween) "Who's woken him up?"
 * Gigglemerry (Santa hat, ugly sweater, candy cane) (Christmas) "Jingle all the way!"

Wiggle

 * Spider (Spider head, venomous fangs, spider torso, longlegs, fake fly) (Halloween) "Try to catch 'em in your web!"
 * Caroler (Santa hat, ugly sweater, carol book) (Christmas) "Hark the Grumpus angels sing! Glory to the Bugsnak king!"
 * Modern (Round glasses, silk scarf, ug boots) (Non-event) "Go out into the streets!"
 * Chocolate (Each part looks to be made of chocolate apart from the wrapper) (Easter) "Made of 50% chocolate, 50% music!"
 * Hula (Flower, coconut bikini, lei, grass skirt, coconut drink) (Summer) "Say aloha to the Summer!"

Chandlo

 * Chandlosaur (Dinosaur head, dino torso, stompers, bone) (Halloween) "A grumpus that time forgot!"
 * Snowman (Snowhead, lower snowball, snow shoes, carrot) (Christmas) "If you feel cold, it's probably him trying to cuddle you."
 * Chandloak (Tree costume, bird nest hat) (Non-event) "A tool for destroying climate change... a tree!"
 * Lamb (Lamb costume, lamb plushie) (Easter) "Baaa!"
 * Surfer (Surfer hair, shades, aloha shirt, trunks, surfboard) (Summer) "Surf's up!"

Floofty

 * ROBO_FLOOF_1.0J (Robot head, robot torso, mechanical legs, bot legs, wrench) (Halloween) "It's officially alive!"
 * Grumpmas Tree (Tree head, tree body, stumpy legs, candy cane) (Christmas) "Perfect to rock around, or put the gifts under."
 * Brick (Each part is LEGO-like) (Non event) "One brickhead for a smarty!"
 * Chick (Chick costume, egg) (Easter) "Cheep cheep."
 * Hiking (Hiking gear like helmet, bottle of water, etc) (Summer) "Floofty hears the Alps are a beautiful vacation spot!"

Trivia

 * Each Grumpus has a facial mask in the face items category. This implies that Young Horses was aware of the COVID-19 pandemic.