WASHINGTON — A recent change in a video game has wiped out over $2 billion in value from online markets overnight, as the market cap for in-game "Counter-Strike 2" cosmetics crashed.

The newest patch for the game, which is developed and published by Valve, radically reworks how cosmetics - the ability to customize a player's in-game look - work in the game.

"Counter-Strike 2" is a multiplayer shooter, where players control members of two teams aiming to beat the other team and control certain objectives on the map. It's an entirely skill-based game, so the only way to progress is to "get good" without leveling up in-game skills.

But one of the key components of the game, which was originally released as "Counter-Strike" in 1999, is the lootbox system. Players earn points by playing ma

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