Counter-Strike: Source (CSS) is a first-person shooter video game developed by Valve Corporation. It is the second installment in the Counter-Strike series and was released in 2004. CSS is a multiplayer game in which players take on the role of either terrorists or counter-terrorists and compete to complete objectives such as planting or defusing bombs, rescuing hostages, or eliminating the opposing team. Players can purchase weapons and equipment using money earned by completing objectives or killing enemies.
To buy weapons in CSS, players must first press the “B” key to open the buy menu. The buy menu is divided into several categories, including primary weapons, secondary weapons, equipment, and grenades. Players can use the arrow keys or mouse to navigate the buy menu and select the weapons they want to purchase. Once they have selected a weapon, they can click the “Buy” button to purchase it. Players can also purchase ammo for their weapons by clicking on the “Ammo” button in the buy menu.