They don't 'cheat' or use omniscient knowledge of the server state to make their decisions.' They also have realistic reaction times and aiming limitations. The bots have simulated humanlike senses, and only know what they see, hear, and touch. 'They run the exact same code that human players do, moving and firing weapons by pressing 'virtual buttons'. 'TFBots are 'players', and take up player slots,' explained Booth.

These 'digital killing machines' are a 'work-in-progress,' Left 4 Dead creator Mike Booth revealed on the TF2 Official Blog, noting that their implementation is beta. As Valve continues to update and expand Team Fortress 2 PC, the latest addition to the two-year-old multiplayer shooter comes in the form of computer-controlled bots.