There are two guide/Walkthrough/FAQS to Boiling Point posted at gamefaqs.
Liam Howell's Beginners Guide:
http://www.gamefaqs.com/pc/551913-boiling-point-road-to-hell/faqs/37965
Val's Evil Twin Walkthrough/FAQ:
http://www.gamefaqs.com/pc/551913-boiling-point-road-to-hell/faqs/47417
Liam Howell's Beginners Guide:
http://www.gamefaqs.com/pc/551913-boiling-point-road-to-hell/faqs/37965
Val's Evil Twin Walkthrough/FAQ:
http://www.gamefaqs.com/pc/551913-boiling-point-road-to-hell/faqs/47417