Ridge Racer
48 Achievements
3-5h
PSVITA
Tinkerer
You took the first momentous step toward developing an upgrade kit on the Machine Upgrade Map.
49.4%
How to unlock the Tinkerer achievement in Ridge Racer - Definitive Guide
Harry94
To unlock the trophy, you simply need to buy the very first upgrade in the Upgrade Map, which is Nitrous Expansion. The trophy will unlock after completing a race and returning to the Main Menu.
There are two ways to access the Machine Upgrade Map. The first way is by selecting 'Garage' and then clicking the black square next to upgrades A, B and C. The second is to press the black square on the car settings screen before a race.
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This guide was translated automatically.
Just buy an upgrade from the mechanical upgrade card. Go to the garage, there is a settings icon and 3 cells below, click on the settings and buy an improvement for 400 points and 
your. Each upgrade on the map costs 400 points.
your. Each upgrade on the map costs 400 points.