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.
Research an Item
Place a Research Table
Craft a Research Table
Craft a Nailgun
Place a Workbench
Craft a Workbench
Craft Nailgun Nails
Collect 65 Scrap
Destroy 10 Barrels
Visit a Road
Craft a Machete
Place a Furnace
Craft a Furnace
Acquire 50 Low Grade Fuel
Skin an Animal
Kill an Animal
Craft a Hunting Bow
Place a tool Cupboard
Craft a Tool Cupboard
Lock the Lock
Place a Lock
Place a Wooden Door
Craft a Wooden Door
Collect 300 Metal Ore
Upgrade your base
Construct a Base
Craft a Hammer
Place a Wooden Box
Craft a lock
Craft a Building Plan
Craft a Wooden Box
Craft a wooden spear
Craft some Arrows
Craft a Burlap Headwrap
Equip 3 pieces of clothing
Craft a Burlap Shirt
Craft Burlap Pants
Collect 50 Cloth
Craft a Sleeping Bag
Collect 30 Cloth
Collect 700 Wood
Place a sleeping bag
Place a camp fire
Craft a campfire
Collect 100 Wood
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.
Take a photo of another player
Be in a team where every team member is riding a Boogie Board or Inner Tube (minimum 4 members)
Play every instrument
Play your first instrument
Record another player speaking onto a Cassette.
Dance near a playing Boom Box on an active Disco Floor.
Play an instrument while floating in an Inner Tube while listening to a Boom Box play a radio stream
Use a megaphone while in another player's Tool Cupboard radius.
Listen to the Rust soundtrack from a Boom Box for 30 seconds
Stare into a laser light for 30 seconds.
Dance with 2 other players at the front of the Cargo Ship.
Win 3 rounds of poker at Bandit Camp
Watch another player through a CCTV camera
Kill another player with the MLRS
Wave at 5 different players
Land a Minicopter on the Cargo Ship
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
Kill 10 Tunnel Dwellers while on a moving work cart
Complete 5 missions for NPC's
Kill 3 sharks with a speargun
Activate the Excavator
Acquire a snowmobile in an Artic Research Base
Recycle 10 cars at Junkyard
Catch one of every fish
Travel to an underwater lab with a submarine
Travel 3KM with a companion in a Kayak
Pilot a Scrap Transport Helicopter with 5 passengers
Drive a modular car with 5 passengers
Complete the Tutorial Island