Here is the full list of all 14 AirMech Arena trophies - there are 11 bronze, 2 silver and 1 gold.
Win 10 or more online matches in any game mode.
Do 1,000,000 damage with your AirMech.
Accumulate 100 direct AirMech Kills online against human opponents.
Accumulate 20 human piloted enemy AirMech kills, each made while the enemy is carrying a unit.
Destroy 3 human piloted AirMechs in the first 3 minutes of an online match.
Win a 4-player online survival match on any Survival map.
Win 3-consecutive online matches.
Win an online match where 100% of the enemy's base health is taken within 1 minute.
Win a match, online or offline, without destroying any units with your AirMech.
Reach Level 15 in any AirMech in an online or offline game.
Complete the Tutorial.
Accumulate 45 Stars in the Challenges.
Win a solo survival match on any Survival map.
Win 200 matched games.