Options:

F1 - Activate Built In Cheats

 

Game cheats includes 

Add Resources

Add Gold

Fill Gold

Add Mana

Fill Mana

Fill Workshops

Fill Breweries

Fill Laboratories

Add Evilness

Research All

Uncover All Enemies

Disable Uncover All Cheats

Make My Units Invulnerable " God Mode"

Spawn Super Monster

Spawn Work Force

Spawn All Monster

Spawn All Turned Heroes

Spawn Random Hero

Win Map

Lose Map

Notice:

First start game then open the trainer, Then activate the cheat in game.

Once the cheat is activate Press "~" key to bring up the game console on the upper left click on Cheats next to console then press on any cheat you like

I wouldn't lose any other stuff under cheats other than the stuff listed above.