Here is the full list of all 33 Park Beyond achievements.
Make 100 Impossifications
Earn $1,000,000
Complete Mission 5: 'Duel at the Beaches'
Build and open a Rollercoaster with 10 or more Spring Modules
Spend 5 years in game
Purchase every land extension in a single park
Complete Mission 4: 'An Eye for Details'
Earn $200,000
Have 10,000 visitors
Hire 50 staff members
Build 200 structures
Complete Mission 3: 'The Dawn of Impossification'
Make 10 Impossifications
Spend 1 year in game
Earn $50,000
Have 2,000 visitors
Build 50 structures
Complete Mission 2: 'Welcome to Cloudstormer'
Complete Mission 1: 'Ambitious Beginnings'
Complete Mission 6: 'Taken at the Flood'
Complete Mission 7: 'A Tale of Two Theme Parks'
Complete Mission 8: 'Top of the World'
Build 1,000 structures
Have 100,000 visitors
Make 500 Impossifications
Hire 500 staff members
Hire 2,000 staff members
Spend 20 years in game
Build and open 30 flat rides in a single park without buying any land extension
Build and open 5 modular rides in a single park
Have 5,000 Visitors in your park at the same time
Fire a staff member that is low on energy
Build a modular ride with at least 5 Cannon modules