They were Just because they were doing bad things and if they were to come back to life they would continue to do bad things.

Jane can only bring back someone once, whether this limit applies to other life players or if other life classes can even revive people is unknown. 

Possibly, but

he’s gonna die at some point

It mentions Lord English, It introduces Spades Slick and Snowman who both end up being pretty important, it explains what all the felts’ abilities are I’m not going to explain them here for the sake of convenience but you can read about them on the felt wiki page, and it gives us a taste of time-shenanigans which will become so widespread and confusing later on.

Here’s Aradia with her time traveling music boxes

Gamzee can be seen with the same or very similar ones at the end of [S] Jane: Proceed.

You act as if a visit to the smuppet rump website would be a bad thing.

Too goddamn many.

Counting all the Intermissions and Sub-acts, there’s 35.

You’re right.  Normally the slabs are in the moons but Aradia was a special case since she died before the game started.

It’s a bomb, a very big bomb.