Activating this trainer:
Press F1 at main menu.
Listen for 'Trainer Activated'.
Press desired hotkey. All hotkeys can be changed on the trainer.
NumPad1: Infinite Health
NumPad2: Infinite SP
NumPad3: One Hit Kills
NumPad4: Increase Money By 5000
NumPad5: Super Jump
Increase Money: Press hotkey to increase your money. You may need to purchase something or collect some money before the value visually refreshes.
Super Jump: During battle (enemies must be around) press hotkey and you can jump as twice as high. You can define the amount on the trainer GUI.
Unlock more trainer options including updates from here - The Initial Trainer