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The Black Market, also known as simply the Shop, is a location that appears in the Sonic the Hedgehog series. It is a shop managed by a Chao wearing black shades and a face mask, buying or selling "Chao goods" in exchange for Rings. Such items found in the Black Market include hats, fruit and Chao Eggs. In Sonic Riders: Zero Gravity, new Extreme Gear can be purchased and exchanged here.
Sonic Adventure DX: Director's Cut/Sonic Adventure 2: Battle[]
The prices are listed in parenthesis. The chance of these items appearing can be random.
Fruit[]
Image
Name
Description
Effect
Price (Rings)
Sell-back price (Rings)
Garden tree fruit
10
Square Fruit
Square and delicious fruit.
80
10
Round Fruit
Round and delicious fruit.
80
10
Triangle Fruit
Triangular and delicious fruit.
80
10
Hero Fruit
Hero trait fruit.
Last bite will drive a Chao towards the hero alignment.
120
40
Dark Fruit
Dark trait fruit
Last bite will drive a Chao towards the dark alignment.
120
40
Chao Fruit
Skills fruit.
Fruit that gives the Chao a boost in all stats.
200
50
Heart Fruit
Egg-fertility fruit.
Last bite will put the Chao into their mating season.
300
80
Mushroom
Very nutritious mushroom.
Raises not only Stamina, but also the hidden Luck stat.
300
50
Mushroom (alt)
Very nutritious mushroom.
Same as the normal mushroom but gives more stat points.
300
50
Seeds[]
Image
Name
Description
Effect
Price (Rings)
Sell-back price (Rings)
Tasty Seed
This is a regular tree seed.
A seed that grows a tree with Tasty Fruits.
200
50
Square Seed
Grows a tree with square fruits.
A seed that grows a tree with Square Fruits.
300
80
Triangle Seed
Grows a tree with triangle fruits.
A seed that grows a tree with Triangle Fruits.
300
80
Round Seed
Grows a tree with round fruits.
A seed that grows a tree with Round Fruits.
300
80
Hero Seed
Grows a tree with hero fruits
A seed that grows a tree with Hero Fruits.
400
100
Dark Seed
Grows a tree with dark fruits
A seed that grows a tree with Dark Fruits.
400
100
Strong Seed
This is a long life tree seed.
A seed that grows a tree with Strong Fruits.
500
150
Hats[]
Image
Name
Description
Effect
Price (Rings)
Sell-back price (Rings)
Apple
Huge apple!
A mask that can be worn.
2,000
500
Cardboard Box
Moving cardboard box.
A mask that can be worn.
2,000
500
Pan
Worn out pan
A mask that can be worn.
2,000
500
Paper Bag
Grocery store paper bags
A mask that can be worn.
4,000
1,000
Empty Can
Empty fruit can
A mask that can be worn.
4,000
1,000
Stump
Big tree stump
A mask that can be worn.
4,000
1,000
Flower Pot
Big flower pot
A mask that can be worn.
6,000
1,500
Bucket
Worn out bucket
A mask that can be worn.
4,000
1,500
Watermelon
Big, round watermelon
A mask that can be worn.
6,000
1,500
Red Wool Beanie Hat
Warm and striped
A mask that can be worn.
8,000
2,000
Blue Wool Beanie Hat
Warm and striped
A mask that can be worn.
10,000
2,500
Black Wool Beanie Hat
Warm and striped
A mask that can be worn.
20,000
5,000
Eggs[]
Eggs have a 30% chance to be Shiny, provided the Shiny colored egg has been unlocked. Every unlocked egg has an equal chance to appear. Any quantity of eggs, 1-5, have an equal chance per restock, and the same egg color cannot appear twice, whether it is shiny or not.
As the player collects Emblems, they gain access to the rarer Chao eggs, which includes shiny eggs.
Image
Egg type/color
Description
Effect
Price (Rings)
Sell-back price (Rings)
White Egg
Typical rare egg.
An egg that hatches into a white Chao.
400
100
Red Egg
Typical rare egg.
An egg that hatches into a red Chao.
500
120
Yellow Egg
Typical rare egg.
An egg that hatches into a yellow Chao.
500
120
Blue Egg
Typical rare egg.
An egg that hatches into a blue Chao.
500
120
Sky Blue Egg
Typical rare egg.
An egg that hatches into a sky blue Chao.
600
150
Pink Egg
Typical rare egg.
An egg that hatches into a pink Chao.
600
150
Orange Egg
Typical rare egg.
An egg that hatches into an orange Chao.
600
150
Brown Egg
Typical rare egg.
An egg that hatches into a brown Chao.
800
200
Purple Egg
Typical rare egg.
An egg that hatches into a purple Chao.
800
200
Green Egg
Typical rare egg.
An egg that hatches into a green Chao.
800
200
Gray Egg
Typical rare egg.
An egg that hatches into a gray Chao.
1,000
250
Light Green Egg
Typical rare egg.
An egg that hatches into a light green Chao.
1,500
400
Black Egg
Typical rare egg.
An egg that hatches into a black Chao.
2,000
500
Shiny White Egg
Moderate rare egg.
An egg that hatches into a shiny white Chao.
4,000
1,000
Shiny Red Egg
Moderate rare egg.
An egg that hatches into a shiny red Chao.
5,000
1,200
Shiny Yellow Egg
Moderate rare egg.
An egg that hatches into a shiny yellow Chao.
5,000
1,200
Shiny Blue Egg
Moderate rare egg.
An egg that hatches into a shiny blue Chao.
5,000
1,200
Shiny Sky Blue Egg
Moderate rare egg.
An egg that hatches into a shiny sky blue Chao.
6,000
1,500
Shiny Pink Egg
Moderate rare egg.
An egg that hatches into a shiny pink Chao.
6,000
1,500
Shiny Orange Egg
Moderate rare egg.
An egg that hatches into a shiny orange Chao.
6,000
1,500
Shiny Brown Egg
Moderate rare egg.
An egg that hatches into a shiny brown Chao.
8,000
2,000
Shiny Purple Egg
Moderate rare egg.
An egg that hatches into a shiny purple Chao.
8,000
2,000
Shiny Green Egg
Moderate rare egg.
An egg that hatches into a shiny green Chao.
8,000
2,000
Shiny Gray Egg
Moderate rare egg.
An egg that hatches into a shiny gray Chao.
10,000
2,500
Shiny Light Green Egg
Moderate rare egg.
An egg that hatches into a shiny light green Chao.
In the manual for Sonic Adventure 2: Battle, there is a picture of a "Smart Fruit" located above the Chao Fruit; however, although its data is in the final build of the game in usable form, it can only be accessed through hacks or mods. The Smart Fruit increases the Chao's hidden Intelligence stat by +12%, with the last bite increasing +14% instead.
Due to an RNG bug in the HD re-releases of Sonic Adventure 2, the Black Market's egg seed will always be Seed 0, preventing the yellow, pink, and purple monotone and/or shiny Chao eggs from being bought.
The mushroom somewhat looks like the 1-Up Mushroom from the Super Mario Bros. games, although there is an unused alternate mushroom texture that looks like the Super Mushroom instead.
The name of the shop derives from the term of the same name, which is used to describe a type of business that deals either in shady business dealings or supplies contraband/illegal items. The fact that it is located inside a locker indicates that the Chao selling the items was a shady character.