Here is the full list of all 13 Racecar.io achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
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Gain a highscore over 100!
Gain a highscore over 150!
Gain a highscore over 200!
Gain a highscore over 300!
Gain a highscore over 400!
Gain a highscore over 500!
Share the game on Twitter
Share the game on Facebook
Gain a highscore over 5!
Gain a highscore over 10!
Gain a highscore over 20!
Gain a highscore over 50!