CS:GO New Cases The case system in CS:GO is a popular feature that encourages players open cases to obtain valuable skins for weapons. These cases require a code in order to open. The CS20 recoil case was introduced to commemorate Counter-Strike 20th anniversary. The CS20 case has stylish skins including the Wildfire AWP Commemoration FAMAS, and more. The prisma case 2 case is a sequel to the original and operation Broken fang Case has vibrant colors for the M4A1-S as well as Glock-18 firearms. It also has some of the most beautiful knife skins. Prime Cases Opening cases is among the most effective ways to earn money in CSGO. They are randomly dropped by players after every game and can contain a weapon or gloves, operation broken fang case or both. If you're lucky, they could be very profitable to open. There are a few things you should know before opening a Operation Broken Fang Case. First of all, you should be aware that weapons are among the most important item to look for in a case.