Mad Dog II: The Lost Gold
9 Achievements
3-5h
PS3
Snake oil sales are up
Get to the treasure with the Professor. ( single player )
31.1%
How to unlock the Snake oil sales are up achievement in Mad Dog II: The Lost Gold - Definitive Guide
Early in the game you will be prompted to choose a guide to find the treasure. Choose the Professor (glasses and hat) and continue the game normally. The trophy will pop as soon as you board the train with the treasure and the Prospector.