In 3D mode press DEL key for sending AI messages, then type the 
codes below.

Code                            Result 
sesquipidilian               AI Cheats Enabled 
bannockburn               Kill All Enemies 
the five hundred         Kill Your Own 
dresden                      All Buildings on Fire 
steve reeves              All Troops Hard as Nails 
bucks fizz                  All Troops Retreated 
bastille day                 All Walls Breached 
haemorrhage              Blood Disabled 
killcam                         Cameraman Dead