Using this Trainer:

Launch the trainer first, then launch the Game and then Press F1 at the Main Menu.

Listen for "Activated".

Press desired option key

Options in Promo:

Numpad 3: Damage System OFF

Options:

Numpad 1: Unlimited Credits

Numpad 2: Unlimited Resources

Numpad 3: Damage System OFF

Numpad 4: Heal Unit

Numpad 5: Super Unit

Numpad 6: Weak Unit

Numpad 7: Instant Units

Numpad 8: Instant Upgrades

Notes:

Numpad 1: Unlimited Credits - toggle this on and you have unlimited credits to build.

Numpad 2: Unlimited Resources - toggle this on and you have unlimited resources to build.

Numpad 3: Damage System OFF - toggle this on and ALL damage (including enemy AND all) is mitigated.  Nothing, including the enemy, can be destroyed.  Use this for recon purposes or to prolong the game, etc.

Numpad 4: Heal Unit - you must carefully place or select units that are not overlapping or have multiple units selected. DOUBLE CLICK a unit and then very quickly press this button to affect it.  The HP bar may not change immediatly but the unit HP is reset to normal.  Works with buildings as well.

Numpad 5: Super Unit - you must carefully place or select units that are not overlapping or have multiple units selected. DOUBLE CLICK a unit and then very quickly press this button to affect it.  The HP bar may not change immediatly but the unit HP is set to very high that the unit is almost invincible for a time.  Works with buildings as well.

Numpad 6: Weak Unit - you must carefully place or select units that are not overlapping or have multiple units selected. DOUBLE CLICK a unit and then very quickly press this button to affect it.  The HP bar may not change immediatly but the unit HP is super low and minimal damage will kill i.t Works with buildings as well.

Numpad 7: Instant Units - many units that are produced in buildings will complete much more quickly.

Numpad 8: Instant Upgrades - many upgrades will complete more quickly.