Numpad 0: Enemies Can't Attack - toggle on and enemies can see you and do their normal activity, but that cannot actually attack you. You can then deactivate the option if you desire since the slots will be opened for you from now on. Leave the Gene Bank and then re-enter it again and you will see that the slots are unlocked. You must activate this and then enter a Gene Bank. Numpad 9: Unlock All Gene Slots- This will unlock all 6 slots for your plasmids and tonics. Numpad 8: Reset Bot Alarm Clock - activate this and the security bots will leave you alone. 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 7: Easy Kills - You will kill whomever you damage with one hit. Numpad 6: No Reload - Effectively unlimited ammo, and you will not have to reload while activated. 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 4: Adam - press this key and you have the max amount. Numpad 3: Money - press this key and you have the max amount. Numpad 2: Unlimited Eve - activate and you will notice that when you use Eve your Eve meter will remain filled. Numpad 1: Unlimited Health - activate and you will notice that when you are damaged your health will jump and remain filled. Launch the trainer first, then launch the Game and then Press F1 at the Main Menu.