Here is the full list of all 48 Overland achievements.
Clear the Desert blockade.
Travel 2000 miles in one trip.
Clear the Mountains blockade.
Discover the Mountains Landmark site.
Invite a dog to join your party.
Clear the Grasslands blockade.
Discover the Grasslands Landmark site.
Travel 1000 miles in one trip.
Clear the Woodlands blockade.
Drive out in a van.
Clear a biome without killing anything.
Discover the Woodlands Landmark site.
Clear the East Coast blockade.
Trade items with a camp.
Complete the introduction.
Revive a survivor.
Drive out in a truck.
Drive out in an SUV.
Give a dog some nice pats.
Steal items from a camp.
Escape an Out of Gas scenario.
Clear a biome without going over five fuel.
Put every equipment on one person.
Put every attachment onto one vehicle.
Complete the game without inviting any humans.
Complete the game without inviting anyone.
Complete the game with your starting car.
Complete the game with your first character.
I mean, we all have regrets.
Collect every item.
Find every creature.
Complete the game with Countdown enabled.
Escape the East Coast without losing anyone.
Reach the beach.
Complete the game in one trip.
Escape the Woodlands without losing anyone.
Discover a Scenic Overlook in the Woodlands.
Escape the Grasslands without losing anyone.
Discover a Scenic Overlook in the Grasslands.
Escape the Mountains without losing anyone.
Discover a Scenic Overlook in the Mountains.
Escape the Desert without losing anyone.
Discover a Scenic Overlook in the Desert.
Discover the Desert Landmark site.
Clear the Basin blockade.
Escape the Basin without losing anyone.
Discover a Scenic Overlook in the Basin.
Discover the Basin Landmark site.