The Real Deal Achievement
The Real Deal25
Play an 18 hole round of golf on Simulation Difficulty
This can be very easily gained by manipulating the game settings mid-round. Play a full 18 hole practice round any any course, when you get to your final putt on the 18th hole line it up to go in then pause the game and in the Gameplay Settings menu change the to difficulty to simulation. Exit to resume the round and make the final shot. The achievement will unlock when your completed scorecard comes up.