Some of these commands allow you to enter “cheats” and become invincible, or spawn weapons or other objects, switch maps, turn on the flash light, etc. In essence the “Console” allows you to enter commands to be executed by the game engine (Source 2: Developer Page, Wiki Page). If you’ve never tinkered with the console commands in previous Half-Life games, then this may be a new one for you (Half-Life is not the only game having a “Console” option). How to open the Console and Enter Commands.
