These are passwords. A * indicates a Pac symbol.
Play Pac-Man................pcmn0rg
Play Pac-Jr.................pcjrdpw
Gum Monster.................q4nv43*
Sound Test..................s0*ndtp
Pattern Test................p*tt*rn
Time Trial..................tr**lmp

Level Password
Sewer..................18nszxp
Warehouse..............hr4s
Plant..................j85s1vp
Lab....................hrm91xrp
Locked Door............j0m9zvp
Industrial Area........hhnr1vr
Dept. Store............98nsgd6
End of Mine............9m57zdp
End of Mine............9437zbm (two pieces of cartridge)
Out of Mine............5rkpzbk