Here is the full list of all 51 Monster Jam Showdown trophies - there are 38 bronze, 10 silver, 2 gold and 1 platinum.
Get all the Trophies.
Increase the Skill Level of any Monster Jam Truck.
Play any Event in online multiplayer mode.
Win your first Event.
Complete a secondary objective in the Showdown Tour.
Win an Event in each map of the Showdown Tour.
Win an Event with an alternative livery equipped.
Complete the secondary objectives of an Event in each category in the Showdown Tour.
With Avenger, get 5,000 points performing Big Airs.
Complete the secondary objectives of 2 Extreme Freestyle Events and 2 Extreme Head to Head Events.
Perform 25 different Base Stunts.
Perform 7 different Ultra Stunts.
Win 10 Events in the Racing Playlist.
Take 50 shortcuts.
Get 50,000 points performing Bicycles.
Win the first Showdown Event in any Category.
Get 50,000 points performing Wheelies.
Crush 1,000 destructible elements.
Cover 10 miles (16 km) in Drift.
Compete in 60 different Events.
Compete in 3 different Showdown Events.
Win a Head to Head Event without losing a single round.
Win 10 Events in the Jam Playlist.
Perform 7 different Mega Stunts.
Win a Racing Event in the Showdown Tour without driving aids on.
Reach the maximum Skill Level with any Monster Jam Truck.
Collect 10 liveries.
Collect 25 liveries.
Reach the maximum Skill Level with any 10 Monster Jam Trucks.
Reach a x12 Combo in any Event or in Training Ground mode.
Complete 15 secondary objectives.
Complete 40 secondary objectives.
Win a Freestyle Event with at least 400,000 points using a suggested Skill.
Unlock the final livery for Grave Digger, El Toro Loco, Max-D, Megalodon, Zombie and Earth Shaker.
Cover 100 miles (161 km) with your Monster Jam Truck.
Win a Freestyle Event with at least 250,000 points.
Win 10 Events in the Rivals Playlist.
Reach Online Level 20.
Play an Event in each Multiplayer Playlist.
Collect all liveries.
Win a Racing Event in the Showdown Tour with at least 80,000 points.
Reach Level 30 and get a Monster Jam Truck of a certain caliber.
Collect all Emblems.
Reach a x30 Combo in any game mode.
Win a Freestyle or Extreme Freestyle Event with a Combo of at least 500,000 points.
Win all Showdown Events of the Racing Category.
Win all Showdown Events of the Stunt Category.
Win all Showdown Events of the Short Category.
Get all Monster Jam Trucks.
Complete all secondary objectives.
Win all Events in each Region.