Things to Do

Coaster Mayhem

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Join Worlds of Fun for the 8th Annual COASTER MAYHEM! Amazing exclusive ride time (ERT), an all-you-can-eat catered lunch, great prizes, surprises, tours, and an full day packed with 235-acres of thrill rides, shows, and attractions! 

40th Anniversary Historical Exhibit for all Worlds of Fun Guests

As part of celebrating Worlds of Fun's 40th anniversary, a special exhibit will be on display, featuring historical memorabilia for one weekend only! Visit the Tivoli Music Hall Saturday, August 10th- Sunday August 11th to view the fascinating history of Worlds of Fun, PLUS elaborate, operating coaster models. Exhibit hours are 10:30-4:30 each day. Exhibit admission is free; must have park admission to enter.

Event Schedule

8:00am: Parking lot open. There is a $15 parking fee per vehicle (free for Gold Season Passholders).

8:30am-9:00am: Event packages picked up. Please have Coaster Mayhem tickets printed and ready to be presented from your online purchase.

9:00am-10:00am: ERT on Patriot

10:00am-10:45am: Exclusive first look at Worlds of Fun 40th Anniversary Exhibit

11:00am-11:30am: Behind the Scenes Tour #1 

12:00pm-1:30pm: Lunch and More at Tivoli East

1:30pm-2:15pm: Behind the Scenes Tour #2 

2:30pm-3:00pm: Senior Management Q&A 

5:00pm-5:30pm: Bustin’ Out Broadway VIP Balcony seating with snacks!

10:00pm-11:00pm: ERT on Prowler

*Coaster Mayhem Events schedule is subject to change without notice.

Check out photos from last year's Coaster Mayhem!


  • The Coaster Mayhem participant that shows the most Worlds of Fun spirit during the morning ERT is crowned 2013 Coaster Mayhem Super Fan and is presented with a special Worlds of Fun award. Get creative and dress the part!
  • Bring your camera and shoot for $100! Submit your amazing, thrilling, or funny photo from your day at Coaster Mayhem to by Friday, August 16, 2013, for your chance to win. The top shots will be featured on social media and the winner will take home $100! Only one photo per person may be submitted. On-Ride photos will not be accepted as contest entries.

Tickets and Registration

Admission + Meal (must be received by 5pm on 8/9/13)  $35.99 
 Season Pass Holders  $14.99 
Tickets must be purchased in advance of event day. Buy online and save time! Click the "Buy Now" button on this page or call Worlds of Fun at 816-454-4545, 9am-5pm. Service fees apply, tax not included in ticket prices. Day of event registration takes place by Guest Relations at the Worlds of Fun entrance.  

Important Stuff

  • All event details are subject to change without notice.
  • Only guests presenting a valid official membership card from a recognized amusement park or roller coaster club may obtain event tickets. Club members may also obtain a reasonable number of additional tickets for guests who are not club members.
  • A Coaster Mayhem event ID must be visible to participate in the ERT. Guests arriving after 10am are not entitled to morning ERT, and guests arriving after 1:30 pm are not entitled to luncheon and related activities. Rain checks and refunds are not available.
  • All height and safety requirements are strictly enforced.
  • For more information on Coaster Mayhem, email or call 816-454-4545.