Leisure Suit Larry: Box Office Bust
30 Achievements
PS3
A Fistful of Larrys
Complete the game’s Wild West Dreamscape
28.8%
How to unlock the A Fistful of Larrys achievement in Leisure Suit Larry: Box Office Bust - Definitive Guide
Story related so it cannot be missed: I think the final mission on this is when you have to defeat the boss at the ranch.