Start the game with -console added at the end. (d:gamesVampirevampire.exe
-console) .  (Make a shortcut on your desktop and right click
the shortcut and edit the properties to accomplish this)

Then when in game just press tilde (~) and type the following
code of choice:

God = Invincible

Give item_ = Gives you the item of your choice, just press up
or down to cycle through available items.

Giftxp = Gives you the amount of experience points you
want. (Don't use the < >)

Debug_infinite_ammo 0/1/2 = 0 means normal, 1 means infinite
ammo but you still need to reload, 2 means no need to reload.
impulse 101 = Items & Weapons
give item_w_  = Weapon
select scroll up/down to pick weapon
give item_g_  = Item
select scroll up/down to pick item
give item_m_  = Money
item select scroll up/down to pick item
give item_a_  = Clothing
select scroll up/down to pick clothing
give item_p_  = Artifact
select scroll up/down to pick artifact
notarget =
Enemies don't target you
noclip = No clipping mode
freecasting = No blood loss
using disciplines
quit = Quit