| Achievement | How to unlock |
| Ace Pilot (20 points) | Pull off some flawless flying.
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| Airdevil (10 points) | Improve your Air Boost.
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| Almost There (25 points) | Save the fifth continent.
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| Basher (10 points) | Get your Werehog level up.
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| BFFs (20 points) | Become better friends with Chip.
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| Blue Meteor (20 points) | Dash through the white walls at top speed.
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| Blue Streak (30 points) | Create an unbeatable Hedgehog.
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| Combo King (20 points) | Work on your combos.
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| Crasher (10 points) | Get your Werehog level up even higher.
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| Creature of the Night (15 points) | Get a high score with Sonic the Werehog.
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| Day Tripper (20 points) | Race through all stages.
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| Exotic Toppings (10 points) | Eat all the hot dogs in Mazuri.
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| First Time Customer (10 points) | Buy something from Wentos.
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| Fried Clam Roll (10 points) | Eat all the hot dogs in Adabat.
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| Full Moon (50 points) | Collect all of the Moon Medals.
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| Get on the Exorcise Bandwagon (20 points) | Drive dark spirits away.
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| Getting the Hang of Things (15 points) | Get a high score with Sonic the Hedgehog.
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| Gyro with Relish (10 points) | Eat all the hot dogs in Apotos.
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| Half Moon (30 points) | Collect Moon Medals.
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| Hard Boiled (10 points) | Eat all the hot dogs in Eggmanland.
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| Hard Day’s Night (20 points) | Blast through all stages.
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| Hedgehunk (5 points) | Talk with people in the pursuit of love.
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| Helping Hand (20 points) | Help someone in need.
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| Hungry Hungry Hedgehog (30 points) | Eat everything in the world.
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| Hyperdrive (10 points) | Improve your Lightspeed Dash.
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| I Ain't Afraid of No Ghost (5 points) | Someone is dealing with spectral troubles.
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| Iced Hotdog (10 points) | Eat all the hot dogs in Holoska.
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| Kebab on a Bun (10 points) | Eat all the hot dogs in Shamar.
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| Ketchup and Mustard (10 points) | Eat all the hot dogs in Empire City.
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| Knockout Brawler (20 points) | Smash, smash, and smash some more.
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| Lay the Smackdown (10 points) | Improve your Stomp.
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| Looking Better (25 points) | Save the second continent.
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| Oh, You Shouldn't Have! (10 points) | Give a souvenir to the Professor.
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| One More to Go (25 points) | Save the sixth continent.
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| Partly Cloudy (30 points) | Collect Sun Medals.
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| Picking Up the Pieces (25 points) | Save the fourth continent.
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| Pig in a Blanket (10 points) | Eat all the hot dogs in Spagonia.
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| Power Overwhelming (30 points) | Create an unbeatable Werehog.
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| Ring Leader (20 points) | Gather Rings from all over the world.
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| Sausage Fried Rice (10 points) | Eat all the hot dogs in Chun-nan.
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| Smasher (10 points) | Get your Werehog level up some more.
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| Social Butterfly (30 points) | Talk to people around the world.
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| Speeding Ticket (20 points) | Become the fastest thing alive.
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| Still a Jigsaw Puzzle (25 points) | Save the third continent.
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| Still Broken (25 points) | Save the first continent.
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| Sunny (50 points) | Collect all of the Sun Medals.
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| That's Enough, Seriously (20 points) | Give every souvenir to the Professor.
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| Thrasher (10 points) | Get your Werehog level way up there.
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| Wall Crawler (10 points) | Improve your Wall Jump.
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| World Savior (100 points) | Complete the game.
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