My hints:
1)
2)
3)
4)
5)
Also, I found it helpful to listen to this while puzzling the answers out:
See you tomorrow, folks.
1)
This woman would get the answer quite easily.
2)
I'm an only child, so I didn't automatically think of other, more casual ways you could refer to your younger female sibling.
3)
By now, you know this is a cipher. The first word is pretty common in games nowadays.
4)
This game didn't get wonderful reviews here at The Escapist.
5)
What do you think of when I say "Midnight Release?"
Also, I found it helpful to listen to this while puzzling the answers out:
See you tomorrow, folks.