There was an error while loading. Please reload this page.
To enable Developer Mode, it's quite simple:
You can do it in two ways:
Pressing 7 (the Psych shortcut) on the Main Menu and pressing Enter
Going to the Options and checking "Developer Mode" in the Developer Menu.
Once Developer Mode is enabled, you can go back on the main menu, and you'll see a new Toolbox option.
PlayState
PlayState_
EngineSettings