Just Get Through Full List of Cheat Codes for PC 

Cheat codes, console commands, secrets:
To use cheats, enter the cheatcode with your keyboard while idling in
the game's main menu. When you restart the game all cheatcodes will get
disabled again.

enableweapon - Enables a just-for-fun weapon for the sandbox
(Use it by holding down the right mouse button,
switch to test-mode with Ctrl+C first)
cinema - Enables a screenshot-mode for the game.
Super Widescreen, more glow, tiny cursor, no hud etc.
unluck - Unlocks all color palettes and gamemodes.
restart - Resets cheats and also restarts the game.
unlockall - Unlocks all color palettes.
pyro - You will create a trail of fire when running on the ground.
Cheat codes, console commands, secrets and system requirements for Just Get Through free online.