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:

NumPad8: Super Speed

Trainer Options:

NumPad1: God Mode
NumPad2: Toggle Fullbright
NumPad3: Change Money
NumPad4: Change Essence
NumPad5: Toggle Admin Mode
NumPad6: Instant Dig
NumPad7: Change Quantity
NumPad8: Super Speed

Editor Options:

Player: Money
Player: Essence
Selected Item: Quantity

Notes:

God Mode:
While active you have infinite health, stamina, breath.

Toggle Fullbright:
While active the map is fully revealed.

Toggle Admin Mode:
While active you can craft for free, dig everywhere, teleport everywhere etc.

Change Quantity:
Open your inventory, mouse hover an item until the tooltip shows up. Press hotkey to add more to his item. Works with your items in your quickbar as well.