CS: Go information:
-There are several new weapons. 
-Submachine guns are more powerful. 
-Pistols have had a damage reduction, specifically the default pistols.
-Armor costs money in Competitive mode, while it is free in Casual mode. 
-The defusal kit is no longer buyable. It is randomly given to two Counter-Terrorists at the start of the round. 
-There is new equipment, including Molotov cocktails, decoy grenades and the Zeus x27 taser.
-There are 8 confirmed new maps, as well as minor and major changes to classic maps. 
-The game will launch with seven classic maps; Aztec, Dust, Dust2, Inferno, Italy, Nuke, and Office. 
-Competitive and Casual modes 
-New game modes 
-New factions
-One player model per team per map, to reduce confusion and friendly fire. Different maps pit different CT factions vs different T factions. 
-Matchmaking system based on skill 
-Support for dedicated servers 
-Leaderboards 
-The money system has been reworked to better accommodate the weapon and equipment changes. 
-Model size as well as hitboxes slightly reduced. 
-Cross-platform multiplayer between Microsoft Windows, Mac OS X and PlayStation 3 players. 
-The hand models for Counter-Terrorists and Terrorists have been graphically updated. 
-The HUD, crosshair and buy VGUI has been updated. 
-Several changes to weapons, including firepower, fire rate, accuracy, and movement rate. 
-The PlayStation 3 version supports the DualShock 3 controller, PlayStation Move or a USB keyboard/mouse, while the Xbox 360 version is limited to a controller. 
-When a player throws a grenade, different radio messages will appear in the chatbox, such as: 
  -"Fire in the hole!" for HE grenades. 
  -"Flashbang out!" for Flashbangs. 
  -"Smoke out!" for Smoke grenades. 
  -"FireBomb on the way!" for Molotov cocktails.
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