need help in alone in the dark:inferno on ps3?

[ROBOTECHHEAVEN]

i am on the train with the monster close behind, u got bottles u can throw at it and do damage and then u run out of bottles. u must then run through each compartment of the train and gather more bottles and throw at it and do more damage and repeat. then u are finally on top of the train, and after 2 more bottles i throw i am out of bottles and then i cant do more dmg to the monster and then i die. has anyone else completed this part, its near the end of episode 6. thanks for any help. :)