Here is the full list of all 45 Zero Gear achievements.
Use a spring 50 times.
Cross the finish line in first place while frozen.
Play a game with only military officers.
Get iced 5 times in one game.
Play a game with only gentlemen.
Play a game with only inspectors.
Win in goal mode after being down by 2.
Win a goal mode game in overtime.
Play a game with only pirates.
Finish 2nd 50 times.
Get hugged 3 times in one game.
Steal the arrow 5 times in one tag match.
Fall off a map 5 times in one game.
Reset yourself 50 times.
Finish 3rd 25 times.
Do 20 flips.
Do a triple flip.
Do a double flip.
Win a race without using boost.
Win a race without using a weapon.
Overcome the player in first place and win the race in 1 second.
Boost for 30 straight seconds.
Lose first place in the last seconds of a race.
Win a race while airborne.
Play a game with only machines.
Remain in first place for an entire race.
Do 10 barrel rolls.
Stay airborne for 6 seconds.
Do a flip.
Do a barrel roll.
Win back to back games in goal mode without the opposing team scoring.
Drive 500 miles.
Drive 1,000 miles.
Win a race with the indie slider activated.
Drive 2,448 miles.
Finish 1st 100 times.
Score 10,000 accumulative points in target games.
Play in a game with 3 other people on your friends list.
Get knocked 100 meters from the platform in Fallout.
Hit 6 players with a mine.
Draft off a player for 10 straight seconds.
Accumulate 15 minutes of airtime.
Be a good sport.
Punch 2 players at the same time.
Repulse 5 players at once.