Effects (β++)
Jet
Interact with the light blue flashing thing in The Nexus. Walk right until you see a building with red squids painted on it. Enter it, and follow the path until you find a jetpack. Interact with it.
Events & noteworthy places (β++)
Squid Sky Sqraper
Interact with the light blue flashing thing in The Nexus. Walk southwest until you see a tall building. Enter it. Go up until you reach an elevator. Go up until you see a squid blocking the entrance. Talk to the squid, and answer anything when asked a question. After the squid has moved out of the way, you can enter the Squid Sky Sqraper. Enter the door to enter the exhibition. Interact with any of the machines to see different stuff.