After Act 6 Act 1, Hussie says one down, five more to go.
http://www.mspaintadventures.com/?s=6&p=006185
http://www.mspaintadventures.com/?s=6&p=006186
(MOD NOTE: Not too much of a Homestuck fact, as it is something that a lot of you should keep in mind. -Mod F)
==> Submitted by thrivette
HB is still alive!
(you will find this only if you go to the last room of the game with Hussie)
http://www.mspaintadventures.com/?s=6&p=007163
==> Submitted by Anon
Source: this video of Hussie doodling/signing Homestuck books
Not exactly Homestuck, but a fun fact that people might not know about Hussie!
==> Submitted by lavender-blushh