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.

Trainer Options

# Player 
     NumPad1: Fly
     NumPad2: No Clip
     NumPad3: Hover Player Higher
     NumPad4: Hover Player Lower
     NumPad5: Increase Player Speed
     NumPad6: Decrease Player Speed
     NumPad7: Set Normal Player Speed
     NumPad8: Increase Jump Height
     NumPad9: Decrease Jump Height
     Multiply: Set Normal Jump Height
     Add: Decrease Gravity
     Separator: Increase Gravity
     Subtract: Set Normal Gravity
     Decimal: Decrease NPC Speed
     Divide: Increase NPC Speed
     F1: Freeze NPC
     F2: Set Normal NPC Speed

# Teleport 
     F3: Save Position Slot 1
     F4: Save Position Slot 2
     F5: Save Position Slot 3
     F6: Save Position Slot 4
     F7: Save Position Slot 5
     F8: Restore Position Slot 1
     F9: Restore Position Slot 2
     F10: Restore Position Slot 3
     F11: Restore Position Slot 4
     F12: Restore Position Slot 5

# Game  
     F13: Game Speed