Latest News

CAM cares about the safety of all attendees: masks required (IL mandate - Note from our Chair)

Qualify for discounted WeeM rates by registering today.

Book your room(s) today to qualify for the special WeeM rate of $119!

See details & sign up for the excursion to visit the Ray Bradbury Experience Musuem plus a Walking Tour!

Interested in selling merchandise? Find out how from our vendor flyer.

PAAG is now available.

See All the Rates.

This site will be updated with the latest information as it becomes available.

Top Hits

  • Join us for four days of RG fun where the cool smart people party — including everything you expect from WeeM!
  • Multiple tracks of programs to keep you intellectually stimulated
  • An RG on the grandest scale, with over 500 attendees
  • A wonderful and lavish Ten-Forward experience with plenty to eat and drink plus lots of room to socialize!
  • 24-hour gaming with one of the largest game collections in the Midwest! (Though you may want to let the Kling­on win.)
  • Thursday Explorations designed to lure you away from the starship hotel and enjoy some the area’s best activities and try new things
  • Lots of scheduled tournaments, including nightly Werewolf.
  • Pun-tastic costumes in our Friday night costume contest. Come see your fellow alien band members and Starfleet comrades!
  • Extend your pinkies during Saturday night’s Pretentious Drinking or enjoy strange samples at the Epicurean Experience.
  • Kids’ Track AND Babysitting!
  • And … an excellent hotel!
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Join us at WeeM! There’s no RG like this!

Stimulate both your mind and senses. Come to WeeM to have fun with over 500 fellow Mensans from all over the world and their guests. Play games, attend seminars, dance, talk, eat, drink, volunteer, and laugh. Check out the photos to see what happened in past years. Once you come to WeeM, like many past attendees, you’ll be under its magical spell, returning every year. WeeM is so special, you'll want to make the trip — some cross the galaxy just to be here!

Join the Adventure

Register today to qualify for a discount and make getting your WeeM registration packet on-site a breeze! Included in your registration fee are meals, snacks, and libations.


Our Starship

The Westin Chicago North Shore Hotel in Wheeling has comfortable living quarters, a very accommodating, friendly staff, and plenty of space including Ten Forward where we provide meals, snacks, and libations, all included in your registration fee.



Multiple tracks (both A & B sides) to keep you intellectually stimulated and entertained are being offered and special annual events like our infamous Costume Parade and Pretentious Drinking. Check often to see what new programs have been added.


Games & Tournaments

24-hour gaming in a dedicated room.
Tournaments throughout the weekend.


Explore New Worlds

Excursions are available for Thursday before HalloweeM starts.


Interested in Sharing a Room or Ride?

Let us know the details and our matchmaker will do the rest.


Bring the kids!

We are pleased to offer you and your kids a wide variety of activities throughout the long weekend. Babysitting will be offered for certain periods of time.


Join the Crew!

Get a coveted pin. Earn raffle entries for cash prizes. Rescue someone in distress.


Kick Ferengi Butt

Vendor tables will be available and WeeM merchandise will be offered. And donate books for our Book Sale — funds are donated to a good cause.



  • Registration - Discounts for advanced registration are available through Friday, October 15th. (Note: Full payment is required by the deadline to qualify for the discount for which you registered. )
  • Excursions - Sign up for any of the Excursions by Monday, October 18th. Since space is limited, the deadline may move up depending upon demand.
  • Vendor space - Please complete and submit a Vendor Application by October 20th. If you have any questions after reviewing the Vendor Flyer containing all the details, contact the WeeM Vendor Liaison .
  • Lodging - The hotel is offering a spectacular WeeM rate of $119 through Thursday, October 7th, subject to availability. If the hotel block is full, please contact our WeeM Chair  who will try to expand the block.
  • Room and/or Ride Sharing - Let us help match you up with another attendee who is also interested in sharing a room or ride by submitting your information by Sunday, October 24th.
  • Speaker/Tournament Submissions - The deadline to submit your entry for a program or tournament for the WeeM was Wednesday, September 15th.

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