Dream Event

Dream Events are special, themed Olympic events that appears in Mario & Sonic at the Olympic Games and its sequels. Each one contains either a certain level from the Super Mario series or the Sonic the Hedgehog series and uses the level's properties to make the event "dream-like," thus resulting the name.

Mario & Sonic at the Olympic Games

 * Dream Race: Unknown, possibly Mario Kart.
 * Dream Platform: Unknown, possibly Mario Kart/Super Mario combination.
 * Dream Fencing: Dual Wharf Island

Mario & Sonic at the Olympic Winter Games

 * Dream Alpine: Seaside Hill
 * Dream Ski Jumping: Good Egg Galaxy
 * Dream Ski Cross: Mario Circuit
 * Dream Snowboard Cross: Radical Highway
 * Dream Short Track: Egg Factory
 * Dream Figure Skating: Both Mario and Sonic, depending on the player's choice.
 * Dream Bobsleigh: Nocturnus Cage/ Special Stage
 * Dream Curling: Sherbet Land
 * Dream Snowball Fight: Cool, Cool Mountain
 * Dream Gliding: Sky Sanctuary

Mario & Sonic at the London 2012 Olympic Games

 * Dream Long Jump: Yoshi's Picture Book
 * Dream Discus: Windy Valley
 * Dream Hurdles: Battlerock Galaxy
 * Dream Uneven Bars: Grand Metropolis
 * Dream Equestrian: Moo Moo Meadow
 * Dream Rafting: World 4, from New Super Mario Bros.
 * Dream Spacewalk: Sky Station Galaxy
 * Dream Sprint: BINGO Highway
 * Dream Trampoline: Crazy Gadget
 * Dream Fencing: Ocean Palace

Trivia

 * All of the Sonic-level Dream Events in Mario & Sonic at the London 2012 Olympic Games are from either Sonic Adventure, Sonic Adventure 2, or from Sonic Heroes.