Type these codes while playing.

Effect                    Code
More strength             DEANHYERS
Show position on map      KIMHYERS
Radiation suit            ALLEN
Bootspork and "Eat Chex"  JOELKOENIGS
God Mode                  DAVIDBRUS
All Ammo                  MIKEKOENIGS
All Ammo and Keys         SCOTTHOLMAN
All Map                   DIGITALCAFE
Invisibility              MARYBREGI
Invulnerability           ANDREWBENSON
No Clipping               CHARLESJACOBI
Position On Map           KIMHYERS
Additional Map Info       SHERRILL
Warp to Level Y           LEESNYDER 1 Y
                          (Y = 1, 2, 3, 4 or 5)