Basic Weapon Tutorial ( http://docs.coregames.com/tutorials/weapons_tutorial/ ). Problem #1: The FIRST gun on the ground can be taken ONCE by a single player, after game publication. If the gun is taken, it can´t be taken again in further plays, by the same or any other player. The SECOND gun is made from an empty WEAPON object of Gameplay Objects Same here: If the gun is taken, it can´t be taken again in further plays, by the same or any other player. The THIRD gun provided by UniversalObjectSpawner - with visible cylinder -, can be taken by by all players, one after the other. So it is always available for the players. Problem#2: Take the pistol on the ground, by F. Shoot. Why do the bullets fly with vertical orientation?