Here is a list of cheat codes for the Empire Earth series

 Here is a list of cheat codes for the Empire Earth series, covering Empire Earth I, Empire Earth II, and Empire Earth III. These cheats can be entered by pressing the Enter key during gameplay, typing in the desired cheat code, and then pressing Enter again to activate it.

Empire Earth (2001)

• boston food sucks: Provides 1000 food.
• creatine: Provides 1000 iron.
• you said wood: Provides 1000 wood.
• rock&roll: Provides 1000 rock.
• atm: Provides 1000 gold.
• give tech: Completes all research.
• the quotable patella: Provides 1000 of all resources.
• all your base are belong to us: Instantly wins the game.
• somebody set up us the bomb: Instantly lose the game.
• i have the power: Grants full mana to all hero units.
• asus drivers: Toggle fog of war on/off.
• recruiter: Increases population cap.
• my name is methos: Turns the selected unit into a hero.
• display cheat: Shows all available cheat codes.

Empire Earth: The Art of Conquest (Expansion Pack)

Most cheat codes from the base game work in the expansion, but a few new ones were introduced:

• tuck tuck tuck: Creates a monster truck.
• I have the power: Grants full mana to all heroes.
• researcher: Completes all research for free.
• bigger boat: Instantly builds ships.

Empire Earth II (2005)

• ahhhcool: Toggles God Mode (invulnerability).
• force build: Turns on fast building for all structures.
• brainstorm: Instantly completes all research.
• the quotable patella: Provides 1000 of all resources.
• boston rent: Provides 1000 food.
• atm: Provides 1000 gold.
• you said wood: Provides 1000 wood.
• creatine: Provides 1000 iron.
• rock&roll: Provides 1000 rock.
• slim fast: Speeds up unit production.
• headshot: Instantly kills the selected unit.

Empire Earth III (2007)

• idkfa: Unlocks all weapons (based on the famous Doom cheat code).
• loot: Grants 1000 of all resources.
• max storage: Sets your resource storage to maximum.
• win: Instantly wins the game.
• fast build: Speeds up building construction.
• sea monkeys: Instantly builds all naval units.

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These cheat codes are useful for enhancing your gaming experience, making it easier to explore the full scope of what the Empire Earth series has to offer, from controlling massive armies to advancing through the ages. Let me know if you need help with more specific features or strategies!