Here is the full list of all 47 MXGP 2020 - The Official Motocross Videogame trophies - there are 34 bronze, 9 silver, 3 gold and 1 platinum.
Unlock all trophies
Reach Prestige level 100
Achieve the podium 50 times in Grand Prix
Get a total of 300,000 MX Credits
Reach Prestige level 75
Get a total of 200,000 MX Credits
Reach Prestige level 50
Win a championship in Championship mode
Win a race with physics level set to Advanced
Win a race with AI Difficulty level set to Realistic
Reach the first position in all sessions in a race set to a Full weekend
Complete a race with race length set to Realistic
Win a Grand Prix at Valkenswaard in any game mode
Win a Grand Prix at Matterley Basin in any game mode
Win a Grand Prix at Uddevalla in any game mode
Win a Grand Prix at Shanghai in any game mode
Cover a total of 500 km - 310.69 mi
Get a total of 100,000 MX Credits
Win a Grand Prix at Teutschenthal in any game mode
Win a Grand Prix at Loket in any game mode
Finish first in a race with the weather set to Rain in any game mode
Win a Grand Prix at Imola in any game mode
Complete a valid lap in Time Attack
Purchase any bike for the first time
Make a purchase on the Rider Customisation page for the first time
Win a Grand Prix at Agueda in any game mode
Reach Prestige level 25
Win a Grand Prix at Orlyonok in any game mode
Get 10 Holeshots in any game mode
Win a Grand Prix at Neuquen in any game mode
Win a Grand Prix at Pietramurata in any game mode
Get a Holeshot and finish first in the same race
Win a Grand Prix at Afyonkarahisar in any game mode
Win a Grand Prix at Kegums in any game mode
Win a race without falling and without using Rewind
Cover a total of 250 km - 155.34 mi
Cover a total of 100 Km - 62,14 mi
Cover 45 Km - 31,07 mi in Free Roaming in the Playground
Cover 30 km - 18.64 mi in Free Roaming in the Playground
Cover 15 Km - 6,21 mi in Free Roaming in the Playground
Use Rewind for the first time in any game mode
Complete a lap without falling on any track and in any game mode
Complete a race without using Rewind
Start replay at the end of a race in any game mode
Perform a Scrub in any game mode
Save your bike's setup for the first time
Access Photo Mode for the first time in any game mode