OMSI After Dark

Date: March 25, 2015
Cost: $13 Non-Members, $6.50 Members, Free OAD Members Buy
Located at: OMSI Time: 6-10pm   Access: 21+ Only, ID Required

Mind Games. Find out where this OMSI After Dark will lead you.

Get lost at OMSI and find yourself immersed in the science behind your brain on games.

Enjoy child-free, brain-building science fun featuring live demos, new exhibitions and old favorites! Guests can indulge in tasty snacks, sweets and beer and wine from regional food and beverage artisans. 21+ only, IDs required. OMSI After Dark is held the last Wednesday of every month.

Want to get a head start on the science fun? Drink up at happy hour starting at 5pm in OMSI's eatery, Theory! The event takes place before OMSI After Dark each month and features a special menu including stone hearth pizza and local beer and wine. 

Tips for a Great Experience:

  • We recommend purchasing your ticket(s) online in advance
  • Carpooling is encouraged
  • Bring cash for bars (credit cards accepted in Theory)
  • Event begins at 6pm, but unless noted, all activities occur throughout the night

Contact: OMSI’s Events Team Call: 503.797.4642 Ticketing: 503.797.4000 Email:

Demonstrations & Activities

Like a Rat in a Maze

Timed Demo
Our rats are experts at running mazes. They get better every time. How will you compare, when they run a maze designed to match our big maze downstairs?

Monty Hall Madness

There is a car behind one door and a goat behind the other two. This classic game show problem has some surprising probability when the host gets involved.

Hands on my Brain

Ever wonder how much a brain weighs? how does your brain send messages? How long are the cells in our brains? Find this all out, and more!

Features & Shows

Food & Drink

Happy Hour
5-6pm in Theory
Get a jump start on the fun with happy hour in Theory, a re-imagined museum eatery that reinvents the dining experience. Enjoy food and drink specials for one hour prior to OMSI After Dark.


OMSI's eatery, Theory, will be open from 5-9:30pm. Come see where food meets science and check out the delicious menu featuring pizza, salad, fries and more!

Beer and wine will be available at three bars throughout the museum and in Theory.

Featured Vendors

Upcoming OMSI After Dark Events

OMSI After Dark: Mind Games
Wed. Mar. 25, 6-10pm at OMSI
Mind Games. Find out where this OMSI After Dark will lead you.Get lost at OMSI and find yourself im…
View Event Details
OMSI After Dark: Man vs. Machine
Wed. Apr. 29, 6-10pm at OMSI
How will you fare at OMSI After Dark?Try your hand at operating (and outsmarting) drones, robots an…
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OMSI After Dark: Wild Wild West
Wed. May. 27, 6-10pm at OMSI
It's the new frontier of science at OMSI After Dark.Bring your trusty sidekick and learn about the…
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OMSI After Dark: Cider & Seeds
Wed. Jun. 24, 7-11pm at OMSI
Grow your cider know-how at OMSI After Dark.Drink up as we toast the history, tradition, and scienc…
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OMSI After Dark: Science in the Fast Lane
Wed. Jul. 29, 7-11pm at OMSI
Satisfy your need for speed at OMSI After Dark.On your mark, get set, GO to OMSI as we pick up the…
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OMSI After Dark: Explosions!
Wed. Aug. 26, 7-11pm at OMSI
Things that make you go boom at OMSI After Dark!Explore all things explosive as we blow the lid off…
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OMSI After Dark: Brewfest
Wed. Sep. 30, 6-10pm at OMSI
Science is brewing at the 5th annual OMSI After Dark Brewfest.Don't just drink beer, learn beer! At…
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OMSI After Dark: Spirits
Wed. Oct. 28, 6-10pm at OMSI
Get in the spirit at OMSI After Dark.Ghosts, goblins, and whiskey, oh my! Get in the spirit and cel…
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OMSI After Dark: Sounds of Science
Wed. Dec. 2, 6-10pm at OMSI
OMSI After Dark gets musical.Discover the difference between discord and harmony as OMSI breaks dow…
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Calendar Listing of All Events

66 Events This Week
235 Events This Month
Launch Calendar

Science Store

Visit the OMSI Science StoreThe OMSI Science Store has the perfect mix of educational and entertaining gifts, games, and gadgets. Shop in the museum or online.
Visit the OMSI Science Store

Private Events

Looking to host your own event?

OMSI offers event space that can accommodate 12-2,500 people with sustainable food services provided by Bon Appétit. Our interactive exhibits and riverfront views makes OMSI your unique event destination.