When CS:GO introduced skins back in 2012, it sparked a collecting craze that turned virtual weapons into real treasures.

Last year, one AK-47 skin sold for over $1 million, a clear sign of how valuable these digital goods have become.

A Counter-Strike 2 weapon skin, meaning a variant color and pattern for an in-game gun, has sold for more than $1 million of real world money. CS:GO, now Counter-Strike 2, lets players earn Weapon ...