Mystery Box: Hidden Secrets

Secret Achievement

Winged

Collected all Pearl Box invention tiles

Wooden Box

Complete all Wooden Box levels

Mobile

Collected all Wooden Box invention tiles

Glass Box

Complete all Glass Box levels

Processing

Collected all Glass Box invention tiles

Stone Box

Complete all Stone Box levels

Snappy

Collected all Stone Box invention tiles

Pioneer

Reveal 4 inventions

Inventor

Reveal all inventions

Puzzling

Finish the Tutorial

Metal Box

Complete all Metal Box levels

Bells and whistles

Collected all Metal Box invention tiles

Velvet Box

Complete all Velvet Box levels

Moving picture

Collected all Velvet Box invention tiles

Black Box

Complete all Black Box levels

In the air

Collected all Black Box invention tiles

Pearl Box

Complete all Pearl Box levels