Full list of all 39 MX vs. ATV All Out achievements worth 1,000 gamerscore. It takes around 30-35 hours to unlock all of the achievements on Xbox One.
Place 1st in 25 Online matches
Complete 25 Online matches
Place 1st in an Online match with 15 human opponents
Place 3rd or better in the All Out Tour
Collect all 100 Sprockets in Free Ride
Place 3rd or better in the Pro SX 450 Championship
Survive the infection
Pull off 100 stunt combos
Place 3rd or better in the Pro SX 250 East Championship
Place 3rd or better in the Pro SX 250 West Championship
Place 3rd or better in the Pro ATV National Series
Infect the most people
Complete an Online match
Win a Tag Mini-Game
Place 3rd or better in the Pro Freestyle Series
Spend over 100,000 MotoCoin
Win 10 holeshots
Land a jump with a distance of 300 feet or greater
Place 3rd or better in the Pro UTV Opencross Series
Ride for over 100 miles
Equip as many factory level parts as possible on a vehicle
Place 1st in every race in a series
Pull off 5 unique stunts in a race event
Upgrade a part to Factory
Tune a vehicle part
Place 1st in any race on All Time difficulty
Beat your ghost in Time Trial
Finish a race without going off track
Successfully perform a 11x stunt combo
Successfully perform a 7x stunt combo ending with a no hander stunt
Wreck 50 times
Lap an opponent in a race
Place 3rd or better in the Amateur Offroad Series
Spend MotoCoin for the first time
Complete any Freestyle, any Opencross, any National, and any Supercross
Hold a Stoppie trick for 75 feet or longer
Hold a Wheelie trick for 150 feet or longer
Successfully perform any stunt
Land a flip