Counter-Strike: Source

Introduction
Counter-Strike: Source is the sequel to the popular mod for Half-Life, Counter-Strike. It was designed and created from the ground up by Valve Software, using their new Source engine. Counter-Strike: Source features highly realistic physics courtesy of the Havok physics engine, and detailed maps and models. Official maps for Counter-Strike: Source are mostly based on the original Counter-Strike maps, but there are a few new ones. There is a rich variety of custom maps for the game, focussing on particular areas such as:
 * Surfing
 * Level interaction (glass floors, non-solid walls, etc.)
 * Realism
 * Fast-paced action

The Basics

 * Weapons
 * Player models
 * Gameplay strategies
 * Cheats/Console commands

Map strategies

 * cs_assault
 * cs_compound
 * cs_havana
 * cs_italy
 * cs_militia
 * cs_office
 * de_aztec
 * de_chateau
 * de_cbble
 * de_dust
 * de_dust2
 * de_inferno
 * de_nuke
 * de_piranesi
 * de_port
 * de_prodigy
 * de_train
 * de_tides