The Debug Menu was used by the Monomi Park developers to easily test the game. It was disabled after Update 0.2.2, although thanks to a mod, it is able to be restored.
It was accessed using keybindings as seen here. The numbers refer to the keys above the letters on the keyboard, The numpads do not work, most likely.
|[||Decrement time of day|
|]||Increment time of day|
|+||Add 1000 Newbucks|
|-||Remove 1000 Newbucks|
|f12||Reset Achievement Progress|
|0||Award all personal upgrades (jetpack, energy, etc.)|
|9||Fill Vacpack with random items (How Rad Slimes, Prickle Pears, Silver Parsnips and Oca Ocas were obtained in 0.2.1.)|