Press tilde (~) to bring down the console. Now type EtherRevelation and hit enter. Now you can use any of these codes:

Code Effect

open_fog Removes fog of war
hide_fog Fog of war on
lose Lose current mission
win Win the current mission
save Quicksave
load Quickload
player Show player info
give all Get 15 of all resources
view resources Info about resources
view heroes Unknown
net start Unknown
net connect Unknown
net host Unknown