Full list of all 92 Rust achievements. It takes around 0-1 hour to unlock all of the achievements in the base game on Windows.
The base game contains 55 achievements, and there are 5 DLC packs containing 37 achievements.
Construct a Base
Destroy 10 Barrels
Visit a Road
Collect 300 Metal Ore
Place a camp fire
Craft a campfire
Collect 100 Wood
Place a sleeping bag
Collect 700 Wood
Craft a wooden spear
Craft a Sleeping Bag
Collect 30 Cloth
Craft a Building Plan
Craft a Hammer
Upgrade your base
Craft a Wooden Door
Craft a lock
Place a Wooden Door
Place a Lock
Lock the Lock
Craft a Tool Cupboard
Place a tool Cupboard
Collect 50 Cloth
Craft a Hunting Bow
Craft some Arrows
Kill an Animal
Skin an Animal
Craft a Burlap Headwrap
Craft a Burlap Shirt
Craft Burlap Pants
Equip 3 pieces of clothing
Craft a Wooden Box
Place a Wooden Box
Acquire 50 Low Grade Fuel
Craft a Furnace
Place a Furnace
Craft a Machete
Collect 65 Scrap
Craft a Workbench
Place a Workbench
Craft a Nailgun
Craft Nailgun Nails
Research an Item
Craft a Research Table
Place a Research Table
Be in a team where every team member is riding a Boogie Board or Inner Tube (minimum 4 members)
Take a photo of another player
Splash another player with a Water Pistol while that player is irradiated
Soak another player above the damage threshold using a water gun.
Get a kill using a water gun.
Get a kill with a super soaker pumped at the lowest pressure.
Play your first instrument
Play every instrument
Dance with 2 other players at the front of the Cargo Ship.
Use a megaphone while in another player's Tool Cupboard radius.
Record another player speaking onto a Cassette.
Dance near a playing Boom Box on an active Disco Floor.
Stare into a laser light for 30 seconds.
Listen to the Rust soundtrack from a Boom Box for 30 seconds
Play an instrument while floating in an Inner Tube while listening to a Boom Box play a radio stream
Start a fully repaired car with a full set of T3 engine parts
Plant a different seed in every slot in a Large Planter Box
Catch one of every fish
Travel to an underwater lab with a submarine
Wave at 5 different players
Land a Minicopter on the Cargo Ship
Win 3 rounds of poker at Bandit Camp
Complete 5 missions for NPC's
Kill another player with the MLRS
Kill 10 Tunnel Dwellers while on a moving work cart
Kill 3 sharks with a speargun
Travel 3KM with a companion in a Kayak
Watch another player through a CCTV camera
Activate the Excavator
Recycle 10 cars at Junkyard
Pilot a Scrap Transport Helicopter with 5 passengers
Drive a modular car with 5 passengers
Acquire a snowmobile in an Artic Research Base
Complete the Tutorial Island