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: Freeze Health

NumPad2: Freeze Stamina

NumPad3: Freeze Warm

NumPad4: Freeze Hunger

NumPad5: No Building Costs

NumPad6: Unlimited Items

NumPad7: Infinite Item Durability

NumPad8: Unlimited Skill Points

Notes:

No Building Costs: While active you can build/upgrade everything for free. You also don't need to have the required materials.

Unlimited Items: While active items will not removed on use.

Infinite Item Durability: While active your items have unlimited durability. Takes effect as soon as the item is about to lose durability.

Unlimited Skill Points: While active click on your tent and you will have unlimited skill points. You may need to click on a click before the skill point number changes.