Overdrift is the first Challenge Act of Speed Highway Act 2 in the console/PC version of Sonic Generations. It is unlocked after clearing every Stage in the Dreamcast era and is playable only as Modern Sonic.



Modern Sonic during Overdrift.

In this Challenge Act, the player takes control of Modern Sonic in Speed Highway Act 2, and there are no supporting characters.

The player needs to get to the goal within a given time limit. Due to the layout of the challenge act's stage, the stage makes big use of the Drift ability, which is needed to use in order to finish the stage with a high rank.

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