Press CTRL + ALT + C to activate the cheat console then enter the following codes to unlock the corresponding effect.

Towers shoot Cows:
Bowvine and Arrows

Sound Effects:
SoundFrags

Granary filled every 3 Months:
Mammaldrome

Atlas helps Build Project Faster:
Atlasthegreat

Dairy Workers wear Cheese Costume:
Cheese Puff

Strike Specified Location with Fireball:
Fireballs from Heaven

Poseidon gives 10 times the Fish in Granary:
Seasick

Win Current Scenario after a few Months:
Ambrosia

Unlock Additional 1,000 Drachmae:
Delian Treasury

Strike Ground with Fireball:
Hotlava

Wolves are Bigger:
Bigbadwolf