Yooka-Laylee (EP)
36 Achievements
20-25h
PS4
Thinking Big
Expand three Grand Tome worlds Details for this achievement will be revealed once unlocked
18.0%
How to unlock the Thinking Big achievement in Yooka-Laylee - Definitive Guide
The easiest are the first 3, requiring a total of 16 pagies. Just press A on the pedestal to expand each world.