Here is the full list of all 30 RollerCoaster Tycoon World achievements.
Create 20 coaster blueprints
Create 5 coaster blueprints
Crash 30 Coasters while they're in test mode
Build a spinning coaster
Build an inverted coaster
Build a flying coaster
Bowl a coaster train through peeps on a path
Build a hyper coaster
Create your 1st coaster blueprint
Build a dive coaster
Build an accelerator coaster
Build a wing coaster
Build a floorless coaster
Build a standing coaster
Build a total of 500 miles of tracks
Build a wooden coaster
Build your first custom-coaster
Reach a Park Rating 750
Reach a Park Rating 500
Reach a Park Rating of 100
Go bankrupt once
Click on 10 trees and scare away the birds
Click on 10 coconut trees
Injure over 100 peeps in a single accident
Build a park with a value of $500,000
Build a park with a value of $1,000,000
Have 1,000 peeps become injured
Have 1,000 peeps become lost
Total profit of $1,000,000,000
Crash 30 Coasters without testing them first