Weapon Crazy Achievement
Get the Rocket Launcher.
To get the Rocket Launcher, you must get an "A" ranking for the entire game. The following below is what is required for that ranking:
- Do not save
- Do not retry
- Do not use First Aid Spray
- Pause the game (it adds time still)
- Give Rodrigo the medicine and Save Steve from the Luger room quickly
- Complete game in under 4 hours and 30 minutes
- Save during Part 1 to Part 2 transition
- Use herbs
- Skip every cutscene
A video walkthrough can be found here.