Basement Key
Car Keys
Filing Cabinet Key
Key 8
@Keycard
Special uses:
- Foundation - elevator call button
- Unknown (permanently stays open)
Key of Aries
Underground:Unknown
Treasure Trove
Key to the Secret Garden
Master Key
Prism Key
Freezer always has one, if you have a Lighter
Sanctuary Key
Silver Key
Good chance of finding an Antechamber lever: