Activating this trainer:
If not state otherwise below, press F1 at main menu.
Listen for 'Trainer Activated'.
Press desired hotkey. All hotkeys can be changed on the trainer.

Promo Options:
F1: Super Speed

Trainer Options:
NumPad1: Infinite Health
NumPad2: No Reload
NumPad3: Unlimited Ammo
NumPad4: Unlimited Oxygen
NumPad5: Toggle HUD
NumPad6: Add Items
NumPad7: Add Hearts
NumPad8: Fly Mode
NumPad9: Disable Fly Mode
Multiply: Unlimited Fuel & Food
Add: Disable AI
Separator: Enable AI
Subtract: Disable Turrets
Decimal: Get All Weapons
Divide: Get All Upgrades
F1: Super Speed

Notes:

Unlimited Ammo:
Please note that you must have some ammo yourself for this to work correctly. Otherwise it shows unlimited but you cannot reload the weapon.

Add Items:
This adds lots of biomass, CPU, energy cells, plastic and duranium to your inventory.

Unlimited Fuel & Food:
Press once to get massive amount of fuel and food.

Disable Turrets:
In a first person level press hotkey to disable all turrets.