Here is the full list of all 16 AirMech Wastelands achievements.
Reach Level 10 in the Wastelands.
Establish a new Resistance base of operations.
Destroy the enemy Fuel Depot.
Destroy the enemy Production Facility.
Defend Raven's settlement from an Iron Hand attack.
Defend Natasha's settlement from an Iron Hand attack.
Destroy the Iron Hand Walker.
Reach Level 20 in the Wastelands.
Reach Level 30 in the Wastelands.
Reach Level 40 in the Wastelands.
Reach Level 50 in the Wastelands.
Reach Level 60 in the Wastelands.
Complete the campaign on Normal difficulty.
Complete the campaign on Warzone difficulty.
Complete the campaign on Doomsday difficulty.
Complete the campaign on Apocalypse difficulty.