Here is the full list of all 48 Overland achievements.
Reach the beach.
Clear the Basin blockade.
Clear the Desert blockade.
Clear the Mountains blockade.
Steal items from a camp.
Drive out in an SUV.
Clear the Grasslands blockade.
Travel 1000 miles in one trip.
Find every creature.
Drive out in a truck.
Clear the Woodlands blockade.
Escape the Woodlands without losing anyone.
Drive out in a van.
Trade items with a camp.
Revive a survivor.
Clear the East Coast blockade.
Give a dog some nice pats.
Escape an Out of Gas scenario.
Invite a dog to join your party.
Complete the introduction.
Travel 2000 miles in one trip.
Clear a biome without killing anything.
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.
Complete the game with Countdown enabled.
Escape the East Coast without losing anyone.
Complete the game in one trip.
Discover a Scenic Overlook in the Woodlands.
Discover the Woodlands Landmark site.
Escape the Grasslands without losing anyone.
Discover a Scenic Overlook in the Grasslands.
Discover the Grasslands Landmark site.
Escape the Mountains without losing anyone.
Discover a Scenic Overlook in the Mountains.
Discover the Mountains Landmark site.
Escape the Desert without losing anyone.
Discover a Scenic Overlook in the Desert.
Discover the Desert Landmark site.
Escape the Basin without losing anyone.
Discover a Scenic Overlook in the Basin.
Discover the Basin Landmark site.