MLB Slugfest: Loaded Unlock Everything: At the main menu, hold X and Y and pull the R trigger. Enter the following codes at the Vs. screen: Unlimited turbo: Press Down, X, X, X, X, Y, Y, Y, Y, B, B, B, B. Softball mode: Press Down, X, X, Y, Y, Y, Y, B, B. Big Head mode: Press Right, X, X. Rubber Ball mode: Press Up, X, X, Y, Y, Y, Y, B, B. Tiny Head mode: Press Left, X, X. Max batting: Press Left, X, X, X. Max power: Press Left, Y, Y, Y. Max speed: Press Left, B, B, B. Extra time after plays: Press Left, X, Y, Y, B, B, B. Fantasy stadiums and teams: At the main menu, press Y, X, R.