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This futuristic city appears to be controlled by the monopolistic HEXAeco energy company, as a majority of the tall buildings and roadways are powered by them.
Story
After his defeat at Ocean Palace, Doctor Eggman has fled into the city, has taken over the industry and is stealing their energy, so Team Sonic sets out to release it from his control. Team Dark realizes that the city must be crushed and be rid of the Doctor's robot army swarming the city (which would also free it). Team Rose continues to follow Amy on her quest to find Sonic, whom she correctly believes to be in the city. Team Chaotix must destroy all of the robots in the city on the orders of Eggman, meaning that Neo Metal Sonic took over the city instead, showing that it must have been a valuable asset to him.
Rank Requirements (Normal Missions)
Rank A
Rank B
Rank C
Rank D
Rank E
Mission 1
Team Sonic
60,000
55,000
45,000
35,000
<35,000
Rescue the city under the control of Eggman!
Team Dark
65,000
60,000
50,000
40,000
<40,000
Crush the city under the control of Eggman!
Team Rose
50,000
45,000
38,000
25,000
<25,000
Stroll through the modern city!
Team Chaotix
65,000
60,000
50,000
40,000
<40,000
Clear out the enemies in the city!
Rank Requirements (Extra Missions)
Rank A
Rank B
Rank C
Rank D
Rank E
Mission 2
Team Sonic
58,000
52,000
42,000
32,000
<32,000
Get to the goal ring within 5 minutes.
Team Dark
8:00
8:30
9:30
11:00
>11:00
Destroy 100 enemies (Time minutes.)
Team Rose
3:45
4:30
5:00
7:00
>7:00
Collect 200 rings (Time minutes.)
Team Chaotix
60,000
55,000
40,000
35,000
<35,000
Clear out all the enemies within 8 minutes.
Trivia
This level precedes the Power Plant, which is one of HEXAeco's facilities.
The HEXAeco slogan is "Clean Power, Clean Energy".