The major highlight in this zone is a ramp that isn't working properly.
Sonic walks on the wrong layers of the level.

Notice the silver crossbars in the lower right background, they're gold
in the final. |

Sonic is having trouble running up the slope in Chemical Plant. Also
notice Sonic's final running sprites. |

A glitch. Instead of walking ON the slope, Sonic goes BEHIND it. |

Slanted loop corners, just like in our prototype. |

Tails can fly. |

Sonic has his final braking animation. |

Sonic finishing Chemical Plant act 2 without fighting a boss. The score-addup
screen is missing as well. |
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