MXGP2 - The Official Motocross Videogame
42 Achievements
13-15h
PS4
Official victory
Win a race with an official MXGP rider, in any game mode
21.9%
How to unlock the Official victory achievement in MXGP2 - The Official Motocross Videogame - Definitive Guide
Go to Single Player and go into MXGP there you will find Grand Prix. Again, pick easy difficulty and a track you know well, pick an official MXGP rider, and simply win the race.