
The number is for what order the code is supposed to go in. Each key begins with "*number* - *code*".
While the game encourages you to copy each link and key down with your in-game notes, thanks to Hacking, it's possible to lose all of your notes, so to be safe, write down all of the links and keys on an actual notepad (physical or digital) that you couldn't lose. This article only lists all the possible spawn locations of the keys.
Note that Welcome to the Game is randomly-generated and the keys will always be in a different location each playthrough. The other websites that contain the rest of the keys are at the Deep Wiki II or Deep Wiki III and you can only get its address by solving certain puzzles, These puzzles are on specific sites and will give you the address to the second Deep Wiki or if you are on a puzzle in Deep Wiki II, it will give you a key to the Deep Wiki III. Secondly, you only start off at the Deep Wiki I, which only ultimately contains 3-4 keys per playthrough. First off, don't waste your time with filler sites sites that are never open no matter what or never contain keys. Welcome to the Game is a randomly generated puzzle game where you start off navigating the Deep Wiki I in search of eight bits of code called called "keys", hidden within the websites of the Deep Web. This article is a walkthrough of Welcome to the Game.