OK heres the guide
1) Create a txt file using notepad.
2)Save the file as myconfig.cfg in the cfg folder, which is located in the mm folder of the game install.
3)Paste the following into the file
bind "F1" "mm_npc_create_orc_sword_shield"
bind "F2" "mm_npc_create_goblin"
bind "F3" "mm_npc_create_cyclope"
bind "F4" "mm_npc_create_Phenrig"
bind "F5" "mm_npc_create_human_guard_bow"
bind "F6" "mm_npc_create_undead"
bind "F7" "mm_npc_create_wizard"
bind "F8" "exec myconfig.cfg"
bind "F9" "god"
bind "n" "noclip"
bind "[" "map_warrior e3_l06_l09"
bind "l" "mm_player_add_skillpoints 20"
bind "q" "mm_player_add_adrenaline 100"
bind "mouse3" "ent_remove"
bind "mouse4" "ent_text"
bind "r" "CreateHairball"
bind "t" "give weapon_mm_staff_wood"
bind "y" "arxcrossbow"
g_ragdoll_maxcount 200
arrow_unlimited 1
mm_player_stamina_megasprint_cost_per_second 0
mm_player_skills_grosbill 1
4) Copy the desktop shortcut and goto the shortcut properties.
In the target field add the following to the end of the field (n.b. Place a space at the end first.)
+sv_cheats 1 +map_warrior e3_l06_l09 +exec myconfig.cfg
example from my machine
"D:\Games\Might and Magic\Dark Messiah Demo\mm.exe" +sv_cheats 1 +map_warrior e3_l06_l09 +exec myconfig.cfg
5) Double click on the newly created shortcut to load the tweaked demo.
Key Mappings
F1 = Spawn Orc
F2 = Spawn Goblin
F3 = Spawn Cyclopes
F4 = Spawn Phenrig (Dude with goaty in tutorial)
F5 = Spawn Human Guard
F6 = Spawn Zombie
F7 = Spawn Wizard (No Texture for this model)
F8 = Executes your config again if the settings mess up
F9 = God Mode
n = Noclip
[ = Reload Map
I'll let you play with the reset of the binds
Also gives you full stats and Skills, and gives you unlimited arrow ammo.
Enjoy