Mario And Sonic At The Olympic Games - Platform: Wii

Successfully complete the indicated task to unlock the corresponding circuit:
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Big Bang Circuit: Finish in first, second, or third in the Universal Circuit. 
Comet Circuit: Finish in first place in the Planet Circuit. 
Cosmos Circuit: Finish in first place in the Supernova Circuit. 
Galaxy Circuit: Finish in first place in the Cosmos Circuit. 
Meteorite Circuit: Finish in first place in the Sunlight Circuit. 
Moonlight: Finish in first place in the Mercury, Venus, Jupiter, and Saturn. 
Planet Circuit: Finish in first place in the Stardust Circuit. 
Satellite Circuit: Finish in first place in the Comet Circuit. 
Stardust: First in first place in the Moonlight Circuit. 
Sunlight Circuit: Finish in first place in the Satellite Circuit. 
Supernova Circuit: Finish in first place in the Meteorite Circuit. 
Universal Circuit: Finish in first, second, or third in the Galaxy Circuit. 

Events:
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Successfully complete the indicated task to unlock the corresponding event:
400m Hurdles: Win the Sunlight Circuit. 
400m Race: Win the Planet Circuit. 
4x100m Relay: Unlock the Moonlight Circuit. 
Archery Event: Unlock the Stardust Circuit. 
Dream Fencing: Win the Comet Circuit. 
Dream Platform: Unlock the Galaxy Circuit. 
Dream Race: Unlock the Moonlight Circuit. 
Dream Table Tennis: Win the Satellite Circuit. 
High Jump: Play as all characters. 
Pole Vault: Unlock the Supernova Circuit. 
Single Sculls Event: Unlock the Moonlight Circuit. 
Vault: Unlock the Cosmos Circuit. 

Advanced Class:
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Finish the Moonlight Circuit in first place to unlock the Advanced Class.
Crowns 
Get gold medals in all the events with a character to unlock his or her crown.
Alternate ending sequence 
Finish the Big Bang Circuit in first place to view an alternate ending sequence.
Character Emblems 
Successfully complete all missions for a character in Mission mode to get their 
character Emblem. You can set the character Emblem as your icon. For example, 
successfully complete all of Sonic's missions to get the Sonic Emblem.