Counter Assault Online is an online 3D first-person shooter game that can fight your friends and show others your skills! Obtain new weapons by destroying enemies, and they are unstoppable. It's worth noting that you need to guard against enemies coming from behind. You can speak on the channel in the game and move forward with your teammates. If your teammate is in danger, you need to rescue your teammate. If you like this game, don't forget to share it with your friends! Use arrow keys to control the character move and click to fire.