All-star Baseball '99 Codes

Alien Abductors

To play as aliens in an alien themed stadium called Alienopolis, enter "ATEMYBUIK" at the Enter Cheats Screen. You can now pick the stadium at the bottom of the Stadium Select Screen. When you play at this stadium, the second team will be aliens. (The players remain the same except for their appearance)

Big Heads and Big Bats

To play with big heads and big bats, enter "GOTHELIUM" at the Enter Cheats Screen. You will now have big heads and bats in the game.

Paper Players

To play as paper players, enter "PRPPAPLYR" at th Enter Cheats Screen. You will now be as thin as paper in the game.