Jikkyou Powerful Pro Yakyuu '99 Cheats - PlayStation
Primary Collection of Cheats
Display all player stats
Press "C-Up"(2), "C-Down"(2), "C-Left",
"C-Right", "C-Left", "C-Right", [Start] at
the status screen.
All bonus stadiums
Press "C-Up", "C-Left", "C-Right", "C-Up",
"C-Right"(2), "Z", "C-Left", "C-Right", "C-Left",
"C-Right", [Start] at the stadium selection screen.