Here is the full list of all 16 AirMech Wastelands achievements.
Destroy the Iron Hand Walker.
Defend Natasha's settlement from an Iron Hand attack.
Reach Level 20 in the Wastelands.
Defend Raven's settlement from an Iron Hand attack.
Destroy the enemy Production Facility.
Reach Level 10 in the Wastelands.
Destroy the enemy Fuel Depot.
Establish a new Resistance base of operations.
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.