Here is the full list of all 24 Monster Jam Steel Titans achievements worth 1,000 gamerscore.
Reach a speed in excess of 99.1 mph (159.49 km/h)
Jump higher than 40 feet (12.19m)
Complete the tutorial
Jump a distance greater than 237.7 feet (72.42m)
Place 3rd or better in the Outdoor Series
Place 3rd or better in the Arena Championship Series
Place 3rd or better in the Stadium Championship Series
Place 3rd or better in the World Championship Series
Finish a race without going off track
Place 1st in any race on Steel Titan difficulty
Complete a Destruction Combo greater than 35x in Timed Destruction
Purchase an upgrade part or Monster Jam Truck
Purchase all tier 5 parts on a Monster Jam Truck
Unlock all Monster Jam Trucks
Drive for over 100 miles (160.934km)
Find all 50 collectibles
Hold a Wheelie trick for 150 feet (45.72m) or longer
Hold a Stoppie trick for 75 feet (22.86) or longer
Successfully perform 100 combos
Successfully perform an 11x stunt combo in Freestyle
Finish an event with a broken tire
Break two or more tires
Finish a race in first with no panels broken
Finish a race in first with all panels broken