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