How many chapters are in Bully Canis Canem Edit?

there are 5 main chapters and the sixth chapter is for you to finish any missions you did not complete.This chapter has no end,hence the Word endless in endless summer

there is one more mission in chapter 6 called comic klepto which is a kid from bullworth steels a comic book from dragon wing and you have knock the kid off his bike and return the comic to the comic book store owner

and they all eat poo bizzlee