The Mech Land Assault Add-on for Just Cause 3 has 6 achievements.
Earn 5 Gears in all Challenges of the Mech Land Assault Expansion.
Earn at least 1 Gear in all Challenges of the Mech Land Assault Expansion.
Beat the last mission of the Mech Land Assault Expansion and complete the story arc.
Destroy 30 enemy vehicles using the Mech's Force Pulse.
Liberate 3 Detention Camps.
Hijack your first Mech.