Here is the full list of all 50 MXGP 2021 - there are The Official Motocross Videogame achievements.
Get a Holeshot and finish first in the same race.
Win a race without falling and without using Rewind.
Complete a lap without falling on any track and in any game mode.
Make a purchase on the Rider Customisation page for the first time.
Complete a race without using Rewind.
Get a total of 300,000 MX Credits.
Reach Prestige level 100.
Win an MXGP Championship in Career mode.
Complete all Career Challenges.
Complete a race with Race Length set to Realistic.
Get a total of 200,000 MX Credits.
Cover 30 km - 18.64 mi in Free Roaming in the Playground.
Reach Prestige level 75.
Finish first in a race with the weather set to Rain in any game mode.
Complete a Career Challenge.
Get 10 Holeshots in any game mode.
Reach Prestige level 50.
Reach the first position in all sessions in a race set to a Full weekend.
Win 3 Duels.
Win a Grand Prix at Afyonkarahisar in any game mode.
Win a Grand Prix at Legacy - Agueda in any game mode.
Win a Grand Prix at Intu Xanadù - Arroyomolinos in any game mode.
Start replay at the end of a race in any game mode.
Win a Grand Prix at Kegums in any game mode.
Win a Grand Prix at Loket in any game mode.
Win a Grand Prix at Lommel in any game mode.
Win a Grand Prix at Maggiora in any game mode.
Win a Grand Prix at Matterley Basin in any game mode.
Win a Grand Prix at Oss in any game mode.
Win a Grand Prix at Pietramurata in any game mode.
Access Photo Mode for the first time in any game mode.
Win a Grand Prix at Teutschenthal in any game mode.
Win a Grand Prix at Orlyonok in any game mode.
Win a Grand Prix at Legacy - Ernée in any game mode.
Win a Grand Prix at Legacy - León in any game mode.
Win a Grand Prix at Legacy - Ottobiano in any game mode.
Win a race with AI Difficulty level set to Realistic.
Create and share a track with the Track Editor.
Get a total of 100,000 MX Credits.
Cover 15 Km - 6.21 mi in Free Roaming in the Playground.
Win a race with physics level set to Advanced.
Purchase any bike for the first time.
Complete a Waypoint race.
Create and share a Waypoint track.
Complete a valid lap in Time Attack.
Perform a Scrub in any game mode.
Reach Prestige level 25.
Save your bike's Setup for the first time.
Use Rewind for the first time in any game mode.
Accept the invitation to a Duel.