Embrace evil, become one of the most successful(read rich) and corrupted person on the planet that gives you access to ridiculous amount of booze, sex and expensive toys.
You'll forget about Silent Hunter 3. In fact you'll even forget yourself
If you are still attached to morality and your conscience get a new job however low paying and be grateful that your most valuable asset which is your health is still yours , then save for a short time and get the game then. It's not actually that expensive.