Activating this trainer:

Press F1 at main menu.

Listen for 'Trainer Activated'.

Press desired hotkey. All hotkeys can be changed on the trainer.

Trainer Options:

NumPad1: Infinite Hull

NumPad2: Infinite Fuel

NumPad3: Infinite Stamina

NumPad4: No Sleep

NumPad5: No Hunger

NumPad6: No Thirst

NumPad7: Perfect Buoyancy

NumPad8: Infinite Health

NumPad9: Infinite Breath

NumPad0: Unlimited Items

NumPad/: Unlimited Woil

NumPad*: Unlimited Tech Points

Notes:

When using a cheat the value ingame will not change until its getting changed by the game.

Unlimited Items: While active you have unlimited items (this may prevent you from crafting some items as your inventory is full).