Wear 30 masks at once.

A Trip to the Moon.

Build Colossus of Rhodes

Build Temple of Artemis at Ephesus

Build Hanging Gardens of Babylon

Use a cannon to travel to the Island in the Sky.

Place a Hogtied NPC on the train tracks.

Get a chicken across the bridge

Cleared day 50.

Cleared day 30.

Cleared day 10.

Listen to the whole pan flute song.

Enable the hydraulic cars.