Here is the full list of all 50 MotoGP21 achievements.
Complete 25 multiplayer games
Complete a multiplayer race wearing your custom helmet
Win a race at Losail in Grand Prix, Championship or Career mode
Win a race at Chang in Grand Prix, Championship or Career mode
Win a race at Austin in Grand Prix, Championship or Career mode
Win a race at Termas in Grand Prix, Championship or Career mode
Win a race at Jerez in Grand Prix, Championship or Career mode
Win a race at Le Mans in Grand Prix, Championship or Career mode
Win a race at Mugello in Grand Prix, Championship or Career mode
Win a race at Catalunya in Grand Prix, Championship or Career mode
Win a race at Sachsenring in Grand Prix, Championship or Career mode
Win a race at Assen in Grand Prix, Championship or Career mode
Win a race at KymiRing in Grand Prix, Championship or Career mode
Win a Race at Brno in Grand Prix or Championship mode
Win a race at Spielberg in Grand Prix, Championship or Career mode
Win a race at Silverstone in Grand Prix, Championship or Career mode
Win a race at Misano in Grand Prix, Championship or Career mode
Win a race at Aragon in Grand Prix, Championship or Career mode
Win a race at Motegi in Grand Prix, Championship or Career mode
Win a race at Phillip Island in Grand Prix, Championship or Career mode
Win a race at Sepang in Grand Prix, Championship or Career mode
Win a race at Valencia in Grand Prix, Championship or Career mode
Win a race at Donington in Grand Prix or Championship mode
Win a race at Laguna Seca in Grand Prix or Championship mode
Obtain access to Qualifying 2 in Grand Prix, Championship or Career mode
Obtain the Pole Position in Grand Prix, Championship or Career mode
Achieve the Pole Position and win a Race in Grand Prix, Championship or Career mode
Serve the penalty by racing in the Long Lap Penalty lane
Execute a manual start without receiving warnings
Complete 5 valid laps during a Free Practice session
Complete at least 1 valid lap with each development package during the Winter Tests
Change your Personal Manager, Chief Engineer and Telemetrist at least once in Career mode
Beat the time threshold with both bikes during the Mid-Season Tests
Complete 5 consecutive valid laps in Time Trial mode
Complete all Development Tests during a weekend as a rider in Career mode
Ensure that a Team accepts your counter proposal during a negotiation in Career mode
Meet the Team's objective with both riders of your Junior Team during a GP
Earn 1,000,000 credits in Career Mode
Reach a Reputation level higher than 500,000 as a rider in Career mode
Complete 10 races with Tire Wear and Fuel Consumption in Grand Prix, Championship or Career mode
Complete the bike's development in the MotoGP™ category in Career mode
Complete the development of one of your Junior Team's bikes in Career mode
Complete the development of your Junior Team in Career mode
Complete 25 valid laps in Time Trial mode
Reach your Qualifying objective 15 times in Career Mode
Reach your Race objective 15 times in Career Mode
Win 1 Riders Championship with your Junior Team
Win the Moto3™ Championship in Career mode as a rider
Win the Moto2™ Championship in Career mode as a rider
Win the MotoGP™ Championship in Career mode as a rider