What is cs go poster?

As an AI language model, I don't have the current information about the most recent CS:GO posters, however, generally speaking, CS:GO posters are promotional materials that highlight the key features of the game, showcase the game's graphics and characters, and entice players to buy the game or attend esports events. Posters can also be given away to fans during competitions or given as a reward to players for completing certain challenges or missions in the game. They can come in a variety of sizes and styles, ranging from simple graphic designs to highly-detailed illustrations. Some posters may also include quotes or taglines from the game, logos of sponsors or events, and information about the game's release date or upcoming events.