This tutorial bite for Oxygen Not Included covers Gravitas, the game lore and the buildings left behind.
Wiki page for care packages: https://oxygennotincluded.fandom.com/wiki/Care_Package
0:00 - Intro
0:14 - Game lore and the Gravitas Organization
1:01 - Decorative buildings
1:31 - Printing Pods & Care Packages
2:13 - Anti Entropy Thermo Nullifiers
2:26 - Opening hidden rooms
2:58 - Lockers & Vending Machines
3:31 - Neural Vaccilators
4:01 - Vaccilator Recharges
4:31 - Teleporter Transmitter & Receiver
4:57 - Cryotank 3000
5:19 - Supply Teleporter Input & Output
5:53 - The Temporal Tear
6:20 - The Temporal Tear Opener
7:01 - Outro
You can check me out on twitch.tv/gcfungus