- Crowns
Get gold medals in all the events with a character to unlock his or her crown.

- Super Mario Sunshine reference
When in a 400 meter running race, notice the flags, balloons, and tarps with drawings. At the beginning before you begin the 400 meter running race, you should see a tarp with FLUDD on it, which was the cleaning device that Mario uses to clean with in Super Mario Sunshine.

- Advanced Class
Finish the Moonlight Circuit in first place to unlock the Advanced Class.

- Events
Successfully complete the indicated task to unlock the corresponding event:

Dream Table Tennis	Be victorious in the Satellite Circuit.
4x100m Relay	Unlock the Moonlight Circuit.
Dream Fencing	Be victorious in the Comet Circuit.
Archery Event	Unlock the Stardust Circuit.
Dream Race	Unlock the Moonlight Circuit.
High Jump	Play as all characters.
Single Sculls Event	Unlock the Moonlight Circuit.
Pole Vault	Unlock the Supernova Circuit.
400m Hurdles	Be victorious in the Sunlight Circuit.
Dream Platform	Unlock the Galaxy Circuit.
400m Race	Be victorious in the Planet Circuit.
Vault	Unlock the Cosmos Circuit.

- Emblems
Successfully complete the indicated task to unlock the corresponding Emblem:

Shooting Emblem (Shooting)	Get 40 points in Skeet.
Network Emblem	Connect to the Nintendo WFC Rankings.
Hunter Emblem	Get 120 points in Archery.
Full Play Emblem	Play all events.
Mario Family Emblem	Get a gold medal in all events with all Nintendo characters.
Ping Pong Emblem (Table Tennis)	Be victorious in 11-0 in Singles Table Tennis.
Knight's Emblem (Fencing)	Have a 15-0 record in Individual Epee.
Collaborative Emblem	Play with all the characters.
Rocket Emblem	Successful begin dash in 100m Dash.
Finish Game Emblem	Unlock all events.
Somersault Emblem (Vault)	Get a perfect 10 on the Vault.
Penalty Emblem	Commit a foul in the 100m Dash.
Sonic Family Emblem	Get a gold medal in all events with all Sega characters.
Track Champ Emblem	Get gold medals in all Track events in Single Match mode.
Gymnastics Champ Emblem	Get gold medals in all Gymnastics events.
Dream Champ Emblem	Get a gold medal in all Dream events.
Bouncing Emblem	Get a perfect 10 on the Trampoline.
Thanks for Playing Emblem	Begin the game 50 times.
Friendly Emblem	Play an event with two to four Players.
Field Champ Emblem	Get gold medals in all Field events in Single Match mode.
Planet Circuit	Get any medal in the Stardust Circuit.
Olympic Record Emblem	Break an Olympic Record.
Aquatics Champs Emblem	Get gold medals in all Aquatics events.
Gallery Owner Emblem	Unlock everything in the gallery.
World Record Emblem	Break a World Record.

- 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.

- Gallery Music
Successfully complete the indicated number of mini-games (all five rounds) in the gallery to unlock the corresponding song:

Sonic 2 Special Stage and Underwater	Three mini-games
Green Hill and Overworld	One mini-game
Super Mario World Ground BGM and Let The Speed Mend It	Five mini-games
Star Light and Underground	Two mini-games
Super Mario 3 Ground BGM and Sonic Heroes	Four mini-games

- Circuits
Successfully complete the indicated task to unlock the corresponding circuit:

Moonlight	Finish in first place in the Mercury, Venus, Jupiter, and Saturn Circuits.
Comet Circuit	Finish in first place in the Planet Circuit.
Cosmos Circuit	Finish in first place in the Supernova Circuit.
Meteorite Circuit	Finish in first place in the Sunlight Circuit.
Satellite Circuit	Finish in first place in the Comet Circuit.
Stardust	First in first place in the Moonlight Circuit.
Supernova Circuit	Finish in first place in the Meteorite Circuit.
Sunlight Circuit	Finish in first place in the Satellite Circuit.
Galaxy Circuit	Finish in first place in the Cosmos Circuit.
Big Bang Circuit	Finish in first, second, or third in the Universal Circuit.
Universal Circuit	Finish in first, second, or third in the Galaxy Circuit.

- Alternate ending sequence
Finish the Big Bang Circuit in first place to view an alternate ending sequence.

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