Gun Deathmatch is a mode similar to deathmatch team mode, but in this mode you cannot choose the weapon you want to use. because in Gun deathmatch mode the weapon will be given starting with the best weapon and then changing to only a handgun glock and HE Grenade.
At the beginning of the game you will get a weapon then if you have killed the required enemy then the weapon will turn into another weapon. continuously up to maximum level. where you are given handgun glock and HE grenade only.
To win the game you must reach the maximum level and kill the enemy by using a grenade. then you and the team will immediately become winners. But if no one succeeds in killing a grenade until the time provided is finished, the victory will be seen from the existing Level ranking.