Collect the Circle Key
Collect the Icosahedron Key
Take the First Note
Take half of the Notes
Take all the Notes
Set the correct time in the Clock door
Lower the Stairs in the Silo
Turn on the main power
Open the lowest path
Activate the Circle Device
Collect the Star Key
Activate the Icosahedron Device
Activate the Star Device
Activate the Platform Device
Activate the Lantern Device
Activate the Mirror Device
Open a Portal Home
Collect the Platform Key
Fuel the Reactor to 100%
Fill Water Storage tank to 100%
Water Storage and Reactor Fuel 100%
Collect the Lantern Key
Open the back door in the Office
Open a portal to a different world
Complete all the time trials and score at least a bronze medal in each
Complete all the time trials and score a gold medal in each
Add the first decoration to the nest
Collect the Mirror Key
Add half the decorations to the nest
Add all the decorations to the nest
Find the ravens nest
Collect all 6 Keys
Collect 9 Cassette Tapes
Collect all the Cassette Tapes
Make an Explosive
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