Crowns
Get all gold medals in all events with a character to unlock their crown.
Emblems
| Unlockable | How to Unlock |
| Amy Emblem | Complete Mission mode with Amy |
| Aquatics Champs Emblem | Gold Medals in All Aqautics Events |
| Blaze Emblem | Complete Mission mode with Blaze |
| Bouncing Emblem | Perfect 10 on Trampoline |
| Bowser Emblem | Complete Mission mode with Bowser |
| Collaborative Emblem | Play as all the characters |
| Complete Game Emblem | Unlock All Events |
| Daisy Emblem | Complete Mission mode with Daisy |
| Dr. Eggman Emblem | Complete Mission mode with Dr. Eggman |
| Dream Champ Emblem | 1st Medal in all Dream Events |
| Field Champ Emblem | Gold Medals in All Field Events in Single Match |
| Friendly Emblem | Play an Event with 2 to 4 Players |
| Full Play Emblem | Play All Events |
| Gallery Owner Emblem | Unlock Everything in the Gallery |
| Gymnastics Champ Emblem | Gold Medals in All Gymnastics Events |
| Knight's Emblem (Fencing) | Win 15-0 in Individual epee |
| Knuckles Emblem | Complete Mission mode with Knuckles |
| Luigi Emblem | Complete Mission mode with Luigi |
| Mario Emblem | Complete Mission mode with Mario |
| Network Emblem | Connect to Nintendo WFC Rankings |
| Olympic Record Emblem | Break an Olympic Record |
| Peach Emblem | Complete Mission mode with Peach |
| Penalty Emblem | Commit a Foul in the 100m |
| Ping Pong Emblem (Table Tennis) | Win 11-0 in Singles Table Tennis |
| Planet Circuit | Medal (Gold, Silver or Bronze) in Stardust Circuit |
| Rocket Emblem | Successful start dash in 100m |
| Shadow Emblem | Complete Mission mode with Shadow |
| Shooting Emblem (Shooting) | 40 Points in Skeet |
| Somersault Emblem (Vault) | Perfect 10 on the Vault |
| Sonic Emblem | Complete Mission mode with Sonic |
| Tails Emblem | Complete Mission mode with Tails |
| Thanks for Playing Emblem | Started the game 50 times |
| Track Champ Emblem | Gold Medals in All Track Events in Single Match |
| Vector Emblem | Complete Mission mode with Vector |
| Waluigi Emblem | Complete Mission mode with Waluigi |
| Wario Emblem | Complete Mission mode with Wario |
| World Record Emblem | Break a World Record |
| Yoshi Emblem | Complete Mission mode with Yoshi |
Gallery Music
Complete all 5 rounds of each minigame in the gallery to unlock Sonic and Mario songs.
| Unlockable | How to Unlock |
| Green Hill and Overworld | Complete all rounds of one minigame |
| Sonic 2 Special Stage and Underwater | Complete all rounds of three minigames |
| Star Light and Underground | Complete all rounds of two minigames |
| Super Mario World Ground BGM and LET THE SPEED MEND IT | clear 5th set of minigames |
| Super Mario3 Ground BGM and SONIC HEROES | clear 4th set of minigames |
Unlocking - Events and Circuits
These are obtained by completeing the Circuits.
| Unlockable | How to Unlock |
| 400m Hurdles | Win Sunlight Circuit |
| 400m Race | Win Planet Circuit |
| 4x100m Relay Event | Unlock the Moonlight Circuit |
| Advanced Class | Come in First on the Moonlight Circuit |
| Archey Event | Unlock the Stardust Circuit |
| Big Bang Circuit | Place on podium on Universal Circuit |
| Cosmos Circuit | Win Supernova Circuit |
| Dream Fencing | Win Comet Circuit |
| Dream Platform | Unlock Galaxy Circuit |
| Dream Race Event | Unlock the Moonlight Circuit |
| Dream Table Tennis | Win Satellite Circuit |
| End Credits Sequence | Place in 1st on Big Bang Circuit |
| Galaxy Circuit | Win Cosmos Circuit |
| High Jump | Play as all characters at least once |
| Meteorite Circuit | Come First in Stardust Circuit, Planet Circuit, Comet Circuit, Satellite Circuit and Sunlight Circuit. |
| Moonlight Circuit | Come in First on: Mercury, Venus, Jupiter, and Saturn Circuits |
| Pole Vault | Unlock Supernova Circuit |
| Single Sculls Event | Unlock the Moonlight Circuit |
| Stardust Circuit | Come in First on the Moonlight Circuit |
| Sunlight Circuit | Win Stardust, Planet, Comet, and Satellite Circuit. |
| Supernova Circuit | Win Meteorite Circuit |
| Universal Circuit | Place on podium on Galaxy Circuit |
| Vault | Unlock Cosmos Circuit |