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
NumPad4: Unlimited Jumps
NumPad7: Game Speed
Mouse Over Inventory Item: Amount of Item

Trainer Options
# Player 
     NumPad1: Unlimited Health
     NumPad2: Unlimited SP
     NumPad3: Unlimited MP
     NumPad4: Unlimited Jumps

# Enemies 
     NumPad5: Weak Enemies

# Inventory 
     NumPad6: Unlimited Item Use

# Gameplay 
     NumPad7: Game Speed

Editor Options
# Mouse Over Inventory Item 
     Amount of Item

# Player Stats 
     Current Level and Skillpoints

# Currency 
     Gold

Notes
Amount of Item:
You may have to enter the inventory or the skills page to see this value.