The Forest has over 100 console commands - if you've already completed the game, or are getting bored of regular gameplay, it's a great way to make things more interesting!
The console is simply a text box that you type commands (also known as cheat codes) into. These commands can do things like spawn items, kill enemies, spawn buildings, and even give you unlimited logs. To enable the console you must do the following:
Go to Options, click Gameplay, and set Allow Cheats to ON, as illustrated in this image:
The allow cheats setting in The Forest set to on.
Go to the Main Menu, and type developermodeon - nothing will appear on the screen, but this will enable "Developer Mode", which grants you access to the console.
After doing the above, you can use the following hotkeys to operate the console:
The player stats menu, which can be opened by pressing F3.