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 1: Unlimited Health

Numpad 2: Unlimited Eve

Options:

Numpad 1: Unlimited Health

Numpad 2: Unlimited Eve

Numpad 3: Money

Numpad 4: Adam

Numpad 5: Unlimited Ammo/Items

Numpad 6: No Reload

Numpad 7: Easy Kills

Numpad 8: Reset Bot Alarm Clock

Numpad 9: Unlock All Gene Slots

Notes:

Numpad 1: Unlimited Health - activate and you will notice that when you are damaged your health will jump and remain filled.

Numpad 2: Unlimited Eve - activate and you will notice that when you use Eve your Eve meter will remain filled.

Numpad 3: Money - press this key and you have the max amount.

Numpad 4: Adam - press this key and you have the max amount.

Numpad 5: Unlimited Ammo/Items- activate and you will notice that when you use a Med Kit, or Eve Syringe, or have to Reload, that you will get 100 more of the item (Life/ Eve/ Ammo).

Numpad 6: No Reload - Effectively unlimited ammo, and you will not have to reload while activated.

Numpad 7: Easy Kills -  You will kill whomever you damage with one hit.  Take down the Big Daddy with a single pistol shot!  Be careful with this options as it may kill friendlies quickly and it someone lessens the atmosphere of the game since you are God-like.

Numpad 8: Reset Bot Alarm Clock - activate this and the security bots will leave you alone.  This kills the security bot clocks.

Numpad 9: Unlock All Gene Slots- This will unlock all 6 slots for your plasmids and tonics.  You must activate this and then enter a Gene Bank.  You will not see any changes at first.  Leave the Gene Bank and then re-enter it again and you will see that the slots are unlocked.  You can then deactivate the option if you desire since the slots will be opened for you from now on.