Press T and type these:

MPGOD - Godmode

MPKFA - Full Ammo, Armor, and Health

MPHEALTH - Full Health

MPAMMO - Full Ammo

MPARMOR - Full Armor

MPCLIP - Clipping

MPPOS - Show Position on/off

MPCAMERA - Adjust camera angle

MPLIGHTSCAPE - Adjust Light Scape on/off

Hold down the ALT key while typing in the codes to use them:

FOG? WHAT FOG? See whole map

BOOST Full mana

ELMINSTER Everything Researched

Typing in these codes will create that creature:

ACOLYTE

Basal Golem

FATHER

Cleric

WOLVERINE

Druid

GREMLIN

Enchanter

FATAL ATTRACTION

Fury

FLYING MONKIES

Gargoyle

RAISE DEAD

Ghoul

ALASKA

Gnome

JARETH

Goblin

MERV

Griffin

BODY GUARD

Guardian

MOTHER IN LAW

Harpy

MICROSQUISH

Juggernaut

SEDUCTION

Nymph

LANCELOT

Paladin

YOGI

Ranger

CONCRETE

Stone Golem

NEEDS FOOD BADLY

Warrior

MERLIN

Wizard

SHADOW

Wraith

SMOG

Wyrm

DEAD FLESH