Twinkle Circuit

Twinkle Circuit is a sub game in Sonic Adventure and Sonic Adventure DX: Director's Cut. It is located near the entrance to Twinkle Park. Sonic, Amy, and Big can access it after they clear Twinkle Park. Tails, Knuckles and Gamma on the other hand can access it with a cart pass. All characters may also access Twinkle Circuit in Trial mode.

Overview

Twinkle Circuit is based on Sonic's first section of Twinkle Park. Its overall layout is a three-lap bumper car circuit filled with Rings, jumps and Dash Panels.

Each character drives a different-colored Bumper Car with varying top speed, acceleration and handling. The possible car colors are as follows:

Gameplay

The objective of Twinkle Park is to clear three laps in the shortest time possible. Collecting Rings increases the car's top speed and acceleration until they reach their maximum at ninety-nine Rings. Also, driving over a Dash Panel will catapult the car forward in a straight line while leaving after-images in their wake. Crossing the jumps in the course can be tricky; depending on the speed and angle the player approaches the jumps at, they can fly off at an angle and fall off the circuit, losing a life; if they are travelling slowly enough, they may not be able to make the jump and fall.

Samba GP course

An additional course for Twinkle Circuit One courses was released as a VMU download for the Dreamcast release as the "Samba GP" course. This one used an instrumental version of "Super Sonic Racing" from Sonic R if Sonic entered the course.

Trivia

The music of Twinkle Circuit can be heard when Tails' plane malfunctions at the start of his and Sonic's stories.
- Also Sonic's theme, "It Doesn't Matter", plays at a certain part of the music.
Four others Twinkle Circuit courses exist in in the data of Sonic Adventure. These courses are completely unused, requiring the player to modify the Act ID via cheats in order to access them.^[1]

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References

↑ Twinkle Circuit Courses - Sonic Adventure. YouTube. SPEEPSHighway (8 May 2017). Retrieved on 26 August 2018.

Sonic Adventure

Playable characters		Sonic (Super Sonic) \| Tails \| Knuckles \| Amy \| E-102 Gamma \| Big \| Metal Sonic*
Non-playable characters		Dr. Eggman \| Beta (Mark II) \| Chao \| Chaos (Chaos 1, Chaos 2, Chaos 4, Chaos 6, Perfect Chaos) \| Cream* \| Delta \| Epsilon \| Froggy \| Grandma \| Mr. Know-It-All \| Pachacamac \| Tikal \| Unnamed Sonic robot* \| ZERO \| Zeta \| Animals (Deer, Elephant, Gorilla, Kangaroo, Koala, Lion, Mole, Parrot, Peacock, Penguin, Rabbit, Seal, Sea Otter, Skunk, Swallow)
Adventure Fields		Egg Carrier \| Mystic Ruins \| Station Square
Action Stages		Emerald Coast \| Windy Valley \| Casinopolis \| IceCap \| Sky Chase \| Twinkle Park \| Speed Highway \| Red Mountain \| Sky Deck \| Lost World \| Hot Shelter \| Sand Hill \| Twinkle Circuit \| Final Egg
Enemies		Beat \| Bladed Spinner \| Boa-Boa \| Buyoon \| Cart Kiki \| Cop Speeder \| Egg Keeper \| Electro Spinner \| Fighter Aircraft A \| Fighter Aircraft B \| Gola \| Ice Ball \| Icecap's unnamed aircraft \| Kiki \| Leon \| mechanical fish \| Pirate \| Rhinotank \| Sky Deck's unnamed jet fighter \| Spiky Spinner \| Sweeper
Bosses		Chaos 0 \| Chaos 2 \| Chaos 4 \| Chaos 6 \| E-101 Beta \| E-101 Mark II \| E-102 Gamma \| E-103 Delta \| E-104 Epsilon \| E-105 Zeta \| Egg Carrier \| Egg Hornet \| Egg Viper \| Egg Walker \| Knuckles the Echidna \| Perfect Chaos \| Sonic the Hedgehog \| ZERO
Moves/ Techniques	Playable characters	Bolt of lightning \| Climb \| Dig \| Flight Mode \| Glide \| Hammer Attack \| Hammer Jump \| Hover \| Homing Attack \| Homing Missile Launch \| Jump Attack \| Laser Gun \| Light Speed Attack \| Light Speed Dash \| Lure Attack \| Maximum Heat Knuckles Attack \| Pick \| Propeller Flight \| Punch Attack \| Rapid Tails Attack \| Spin Dash \| Spin Hammer Attack \| Spin Jump \| Tails Attack
Moves/ Techniques	NPCs	Arm Punch \| Bomb Attack \| Bomb Gun Attack \| Charge \| Double Punch \| Earthquake Attack \| Electric Arm \| Energy Ball Attack \| Flame Thrower Attack \| Guiding Missiles \| Instantaneous Liquefaction \| Laser Beam Attack \| Homing Tail Slice \| Inhale Attack \| Marble Attack \| Phantom Shadow Move \| Punch \| Quarter Attack \| Scorpion Attack \| Shockwave Attack (Chaos 6) \| Sonic Boom \| Spin Attack \| Spinning Spike Attack \| Spouting Attack \| Squash Roll Attack \| Swing Punch
Gimmicks and obstacles		Bumper \| Bumper Car \| Cannon \| Conveyor Belt \| Crank \| Dash Panel \| Dash Ring \| Drum Can \| Explosion Trap \| Fan \| Flipper \| Fountain \| Goal Balloon \| Hanging Bell \| Helicopter \| Hint Box \| Hint Orb \| Icicle \| Iron ball \| Jump Panel (plate) \| Jump Panel (ramp) \| Laser field \| Lit Panel \| Mirror \| Monkey Detonation Switch \| Orca \| Power cube \| Rocket \| Satellite \| Slot machine \| Spring \| Spring Catapult \| Switch \| Teleporter \| Trick Jump Panel \| Wide spring \| Wind Path \| Zip Line
Objects	General	Air Bubble \| Capsule \| Cart pass \| Chao Egg \| Chaos Emerald \| Doll \| Emblem \| Emerald Shard \| Employee ID Card \| Item Box (Bomb, Extra Life, Invincibility, Lightning Shield, Power Sneakers, Shield, Super Ring) \| Key Stone (Gold Statue, Ice Stone, Silver Statue, Wind Stone) \| Point Marker \| Ring \| Sandboard \| Snowboard \| Sonic Token
Objects	Level Up Items	Ancient Light \| Crystal Ring \| Fighting Gloves \| Jet Anklet \| Jet Booster \| Laser Blaster \| Life Belt \| Light Speed Shoes \| Long Hammer \| Lure \| Power Rod \| Rhythm Badge \| Shovel Claw \| Warrior Feather
English voice actors		Ryan Drummond (Sonic) \| Corey Bringas (Tails) \| Michael McGaharn (Knuckles) \| Deem Bristow (Eggman) \| Jennifer Douillard (Amy) \| Jon St. John (Big) \| Elara Distler (Tikal, Station Square Train Voice, Default Menu Voice) \| Steve Broadie (Gamma, Pachacamac, Mystic Ruins Train Voice) \| Tomoko Sasaki (Chao)
Japanese voice actors		Jun'ichi Kanemaru (Sonic) \| Kazuki Hayashi (Tails) \| Nobutoshi Canna (Knuckles) \| Chikao Ōtsuka (Eggman) \| Taeko Kawata (Amy) \| Shun Yashiro (Big) \| Kaori Asoh (Tikal) \| Jōji Nakata (Gamma) \| Tōru Ōkawa (Pachacamac) \| Kaho Kōda (Station Square Train Voice) \| Nobutoshi Canna (Mystic Ruins Train Voice) \| Elara Distler (Default Menu Voice) \| Tomoko Sasaki (Chao)
Music	Songs	Believe In Myself \| It Doesn't Matter \| Lazy Days \| My Sweet Passion \| Open Your Heart \| Unknown from M.E.
Music	Albums	Sonic Adventure Original Sound Track (Digi-Log Conversation) \| Sonic Adventure Remix \| Sonic Adventure: Songs With Attitude Vocal Mini-Album \| Sonic Adventure Original Soundtrack 20th Anniversary Edition \| Passion & Pride: Anthems with Attitude from the Sonic Adventure Era
Other		777 Slots Pinball \| Angel Island \| Auto Running \| Black Market \| Card & Pinball \| Chao Garden (Station Square Garden, Mystic Ruins Garden, Egg Carrier Island) \| Chao Stadium \| Chao in Space \| Chao Machine \| Chao Search* \| Corkscrew loop \| Debug Mode \| E-100 Series \| Egg Carrier \| Egg Carrier 2 \| Emerald Radar \| Freeze \| Hedgehog Hammer \| Life gauge \| Mission Mode \| Mystic Ruins \| Shrine of Knuckles's race \| Shuttle loop \| Sonic Adventure (LCD) \| Station Square \| Station Square Police Department \| Tails' Lab \| Tornado \| Tornado 2 \| Transporter Machine Exclusive to Sonic Adventure DX: Director's Cut*.

[0] Twinkle Circuit Courses - Sonic Adventure. YouTube. SPEEPSHighway (8 May 2017). Retrieved on 26 August 2018.

[1]