Ultima 9: Ascension

Ultima 9: Ascension cheat codes: 
Cheat mode:
Note: This procedure involves editing a game file;
create a backup copy of the file before proceeding.
Use a text editor to edit the "default.kmp" file in
the game directory. Add the following lines below
the "[Cheat Commands]" heading:

alt+shift+a = toggle_avatar_invulnerable
alt+shift+b = pass_one_hour
alt+shift+c = unpass_one_hour
alt+shift+d = sunrise_sunset
alt+shift+e = pass_one_minute
alt+shift+f = unpass_one_minute
alt+shift+g = toggle_sun
alt+shift+h = toggle_wind
alt+shift+i = toggle_storms
alt+shift+j = toggle_avatar_fast
alt+shift+k = toggle_avatar_fly

Then, press one of the following keys during game play
to activate the corresponding cheat function.

Effect Code
God mode                  [Alt] + [Shift] + A
Time advances one hour    [Alt] + [Shift] + B
Time retreats one hour    [Alt] + [Shift] + C
Toggle sunrise and sunset [Alt] + [Shift] + D
Time advances one minute  [Alt] + [Shift] + E
Time retreats one minute  [Alt] + [Shift] + F
Toggle sun                [Alt] + [Shift] + G
Toggle wind               [Alt] + [Shift] + H
Toggle storms             [Alt] + [Shift] + I
Faster Avatar             [Alt] + [Shift] + J
Flight mode               [Alt] + [Shift] + K

Hidden teleporters:
Locate the fence without a gate behind the Avatar's
house. Climb on the nearby training dummy and jump
over the fence. Find the level hidden near a bush by
the large tree. Pull the lever to find teleporters
that will equip your character with armor and allow
travel to various places in Britannia. Note: You can
not return by teleporter once you leave.

Invisible to monsters:
Press B to open your backpack and attack monsters.
They will ignore you as long as the backpack remains
open.