Full list of all 71 LEGO Worlds achievements.
The base game contains 61 achievements, and there are 2 DLC packs containing 10 achievements.
Collect all the brick elements
Collect a billion studs
Blow up another player with a ridden Dragon fire ball
Use the terraforming abilities of all capable vehicles
Find the Legendary 3x3 Corner Brick
Find the Legendary 2x2 Corner Brick
Find the Legendary 2x2x3 Slope Brick
Find the Legendary 1x2x3 Slope Brick
Find the Legendary 2x4 Slope Brick
Find the Legendary 1x4 Slope Brick
Find the Legendary 2x3 Slope Brick
Find the Legendary 1x3 Slope Brick
Find the Legendary 2x2 Slope Brick
Find the Legendary 1x2 Slope Brick
Find the Legendary 2x4 Brick
Find all the Biomes
Find the Legendary 2x3 Brick
Find the Legendary 2x2 Brick
Find the Legendary 1x2 Brick
Find the Legendary 1x1 Brick
Play all the musical note bricks within 10 seconds
Have 5 squirrels following you around at the same time
Splat a seagull with the paint-ball gun while it's mid-flight
Find a Dungeon
Collect 100 Gold Bricks
Play bagpipes to a brown bull
Defeat 7 enemies in a streak (with a maximum 12 second gap in between)
Accumulate 10+ seconds of consecutive zip time with the grapple gun in one grapple session
Collect 80 Gold Bricks
Dive continually for 3+ minutes
Collect 60,000+ studs in a single streak (no more than a 2 second gap between each stud collected)
Play an instrument next to another player, who's playing a different instrument
Bounce on Lava 7 times consecutively
Skydive uninterrupted from the highest point possible to the lowest point possible!
Get 5 seconds of continuous vehicle air time (not including off the edge of the world)
Collect 65 Gold Bricks
Play the trumpet to an Elephant
Ride 4 different creatures within 60 seconds
Ride a Badger!
Ride a Shark on land
Collect 50 Gold Bricks
Chase down and ride a Sheep
Find and walk around a Town
Collect 40 Gold Bricks
Collect 30 Gold Bricks
15 seconds of consecutive climbing, jumping or back-flipping
Find an item in a chest
Collect 25 Gold Bricks
Collect 20 Gold Bricks
Buy something from the night Trader
Take a picture of a posing character
Collect 15 Gold Bricks
Tame and have two pets following you at the same time
Catch a Troublemaker
Complete the Candy Construction Capers World
Collect 10 Gold Bricks
Complete the Prehistoric Peril World
Chase down and ride a Pig
Complete the Pirate Playground World
Collect 3 Gold Bricks
Start your Adventure!
Take Intergalactic Girl to the Classic Space Biome (Moonwalking optional!)
Shoot 10 rockets from the mobile Rocket Launcher
Play some lunar tunes on the moon with another player whilst using a different musical instrument
Driving the Space Buggy, launch it into the air for 3 seconds
Defeat 8 Large Space Spiders within 40 seconds. Watch out for pincer attacks!
Stake a claim to Monster Town by playing as the classic Vampire character in the Monsters pack
Collect Vampire & Vampire Bride, then place them together in the Monsters castle
Create a single custom character, using a part from each of the new monster characters
Use the paintball gun to splatter paint on all the new monster characters
Play a guitar solo in the Monster Biome stage area in front of the crowd