This page contains Grand Prix Story Unlockables for iPhone - iPod called "Upgrading Garage" and has been posted or updated on Aug 11, 2013 by andrew c. Let us know what you think of this Unlockable by thumbs voting.
- Developer: Kairosoft Co. Ltd
- Publisher: Kairosoft Co. Ltd
- Genre: Puzzle
- Release Date: Sep 8, 2011
- ESRB: Not Set
Complete the shown Grand Prix in 1st place to update your garage to the matching size.
- Medium Garage: Complete the Neighborhood Grand Prix in 1st location.
- Large Garage: Complete the Asia Grand Prix in 1st website.
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