Halloween isn't just for kids. Adults like to celebrate too — especially adults in the tech industry. This year, Chicago's tech companies went all-out with epic office parties and costume contests. Continue below to see how the city's startups are getting celebrating the spookiest day of the year.
Every year, Yello has a costume parade at lunchtime. Before that, the company's sharks, rainbow unicorns and "King Kong" starlets are hard at work ... and likely eating candy.
Halloween is kind of a big deal in the Adage Technologies office. That's because each year employees compete in the Golden Pumpkin Costume contest with cash prizes awarded for first, second and third place.
Each department at Relativity had its own group costume. The HR team earns creativity points for the theme, and execution, of "technology graveyard."
Trustwave's Halloween party featured some solid group costumes and very creative individual efforts, including French toast and a very literal (and awesome) card shark.
"DIY" seems to be the theme for the annual STATS Halloween party. It takes real dedication to build a Ho-oh costume, and even more courage to wear it to work.
One of Enova's most-beloved Halloween traditions is a pumpkin carving contest. Teams compete to care the creepiest and most creative pumpkin using crafting supplies, code and electronic components.
Signal's Halloween party featured some very clever costumes, including a KitKat Chance the Rapper and a social (media) butterfly.
StratEx's Halloween party featured comic book heroes, Indiana Jones and of course plenty of La Croix.
The Monopoly man made an appearance at SwipeSense's Halloween party, as did a witch and a red Solo cup!
Group costumes were the order of the day at G2 Crowd, with teams dressing as everything from Beanie Babies to sims from "The Sims."
IMC celebrated Halloween early this year, with the team dressing up for a party on Friday. Costumes ranged from terrifying zombies to a ridiculously creative DIY gumball machine outfit.
NextCapital's Halloween spirit comes straight from the top. The most spooktacular day of the year is CEO John Patterson's favorite holiday. The company celebrates by throwing a big party complete with games and karaoke.
From pop culture-inspired group costumes to bobbing for donuts, Outcome Health's Halloween party had a little bit of everything. It hasn't been revealed who won best dressed, but it's fair to assume Barb from "Stranger Things" placed in the top three.
Mac & Mia's leadership team goes all-in on Halloween. VP of finance Scott Latimer dressed up as Bob Ross and company president Jason Smith threw on his Adidas to complete his Run DMC getup.
Neighborhoods.com Halloween party was home to the cast of "Dodgeball" and not one but three Ricks from the show "Rick and Morty." Onesies were also popular, as evidenced by the corn and giraffe costumes.
Halloween is almost an all-day event at Rise Interactive. The company's party features pumpkin carving and candy corn eating contests in addition to a build-your-own trail mix bar. The theme of this year's party was Chicago sports spirit.
For Halloween, Solstice held a pumpkin carving competition between its offices in Chicago, New York, London and Buenos Aires. The company also held a family friendly Halloween party filled with group costumes.
This year the Payline Data team participated in a murder mystery event a few days before its annual Halloween party. If those two superheroes look familiar it's because they're SVP of sales Carlton van Putten (Batman) and CEO Jeff Shea (Clark Kent).
Pac-Man can be a hard group costume to pull off, unless you work at Raise. In addition to celebrating with co-workers, the startup also hands out candy to trick or treaters.
SpotMe is celebrating Halloween with a themed potluck lunch. The menu includes cranberry eye meatballs, deadly dark chocolate chip cookies, graveyard buffalo chicken dip and much more.
To celebrate Halloween, ItemMaster had an office costume contest that featured some truly terrifying workspaces. Thankfully the company's employees costumes weren't nearly as scary, save for that full bunny suit.
Yes, that is a group dressed as Charlie Brown characters from "It's the Great Pumpkin, Charlie Brown." Aside from group costumes, onesies were also popular at Snapsheet this year.
Built In Chicago celebrated Halloween with a group costume contest and themed happy hour complete with spirited spirits and copious amounts of candy.
Images via listed companies.