In a post-apocalyptic city overrun by zombies, Sonic the Hedgehog and his friends, including Tails, Amy, and Rouge, must find a way to survive and escape. They team up with Shadow and Dr. Eggman, who claims to have a plan to defeat the zombies. The group discovers that the zombies are being controlled by a giant green monster, Godzilla, which is summoned by a mysterious entity. Sonic, being an employee of Pizza Hut, uses his "Pizza Storm" power to defeat Godzilla and the zombies. After their victory, the group tries to escape using a helicopter, but Dr. Eggman betrays them and tries to take the helicopter for himself. However, his plan is foiled when the tank from earlier jumps and falls through his dome, defeating him. In the end, Sonic and his friends escape the city, and Sonic looks forward to going home and doing things that will be unimaginable.
Here are the key facts extracted from the text:
1. The story takes place in a city overrun by zombies.
2. Sonic, Tails, Amy, Shadow, and Rouge are characters in the story.
3. Sonic is initially sick due to a head crab.
4. Rogue helps the group by bringing Tails and Amy back to life and fixing Sonic's head.
5. The group decides to escape the city by going to a giant building with a helicopter on top.
6. They meet Eggman, who claims to be on their side and has a plan to defeat the zombies.
7. Eggman reveals that the zombies were summoned by a giant green monster, Godzilla.
8. Godzilla appears, and Sonic decides to fight it.
9. Sonic uses his "Pizza Storm" power to defeat Godzilla, which is fueled by his job at Pizza Hut.
10. After defeating Godzilla, the group heads to the giant building to escape in the helicopter.
11. Eggman betrays the group, revealing that he only needed their help to defeat the zombies so he could take the helicopter for himself.
12. Eggman tries to kill the group, but is ultimately thwarted and destroyed.
13. The group escapes in the helicopter, and Sonic is happy to be going home.