Gottlieb Pinball Classics Codes -

Cheat Mode
Type these codes on the "Enter Code" screen:

LIS - Free Play in Black Hole table.
PHF - Free Play in Goin' Nuts table.
HOT - Free Play in Love Meter.
HEF - Free Play in Playboy table.
PBA - Free Play in Strikes 'N Spares table.
PGA - Free Play in Tee'd Off table.
BIG - Free Play in Xoltan.

Free Play Modes
Complete the following to unlock new Free Play modes:

Goin Nuts Free Play Mode - Complete the table goal for El Dorado.
Teed Off Free Play Mode - Complete the table goal for Big Shot.