Here is the full list of all 35 Valentino Rossi: The Game achievements worth 1,000 gamerscore.
Complete all VR|46 Historic Events
Complete the 2008 VR|46 Historic Event
Complete the 2001 VR|46 Historic Event
Complete the 2002 VR|46 Historic Event
Unlock 15 Bonuses
Participate at the Enduranch Flat Track in Career mode
Win a Monza Masters' Show
Become world champion in Career mode (any category)
Complete a race at the Red Bull Ring - Spielberg in Career mode
Complete the 2003 VR|46 Historic Event
Win a MotoGP™ race with PRO physics, tyre wear and damages activated
Complete your first online race (any discipline)
Complete the 2005 VR|46 Historic Event
Complete the 1998 VR|46 Historic Event
Complete the 1996 VR|46 Historic Event
Complete a split-screen race
Win a MotoGP™, Moto2™ or Moto3™ race using Guided Settings
Gain pole position in a MotoGP™, Moto2™ or Moto3™ race
Win a Yamaha R1M race
Unlock your first Bonus
Hold a wheelie for 8 consecutive seconds
Sign the contract to race your first season as an official rider
Win a Special Stage of the Monza Rally Show
Win an "Americana" Flat Track Race
Win a normal Flat Track race
Complete an online championship
Complete 25 races online (any discipline)
Beat a track record on any track with a 2016 MotoGP™
Unlock all Bonuses
Reach the maximum level in one of your rider’s abilities
Reach the maximum level in all of your rider’s abilities
Complete all Challenge "The Doctor" events
Race a total of 250 km - 155 miles with a Flat Track bike
Race a total of 250 km - 155 miles with a Rally car
Race a total of 500 km - 311 miles on a MotoGP™, Moto2™ or Moto3™ bike