No clue what #6 would be. The last few titles they left over at Media Blasters (The Chilling, The Curious Case of the Campus Corpse) didn't come with the spine numbers.
Off topic a little... but is Can I Do it 'till I Need Glasses actually any good? The trailer looked terrible.
"The good thing about science is that it's true whether or not you believe in it." - Neil deGrasse Tyson