Here is the full list of all 9 Zoo Simulator: Prologue achievements.
Use Decoration Mode and buy 3 items to decorate an enclosure
Hire an employee
Automatize the food filling process
Bring 3 species to the zoo
Repair Enclosure - Jungle Hideout
Repair Enclosure - Forest Burrow
Adopt your first animal
Repair Enclosure - Sunny Savannah
Buy your first repairing tool