The number in parentheses behind the name of the bot determinate the bot's skill. (Normal), (Aggressive) and (Defensive, just a zero instead of 'O'). Their aggression status appears before their names. The POD bots have three different aggression modes: normal, aggressive, and defensive. PWF files which contained navigation data, a predecessor to the NAV system implemented in Condition Zero and Counter-Strike: Source. Markus 'Count Floyd' Klinge created an effective AI bot addon for Counter-Strike 1.6, now known as PODbot, and used feedback to tweak it through the years to make realistic bot interaction, much like Condition Zero soon after. The bot was developed by Stefan Hendricks who stated that Realbot was awarded 'Best Counter-Strike Bot in 2002'. It was able to navigate the 3D maps of Counter-Strike without the use of navigation files and the bot had the ability to learn and adapt behavior from human players. Realbot was a Counter-Strike based version of the 'Botmans' framework to communicate with the Half-Life engine.
11.2 Counter-Strike (Xbox) Exclusive Bots.11.1 Co-op Strike and Guardian Bot Names from Global Offensive.