More than $2 million has been generated through Team Fortress 2 microtransactions, Valve has said.
The free-to-play shooter allows players to create, buy and sell virtual items to wear during games of deathmatch.
The Washington-based Valve said the microtransactions economy generated the $2 million in less than a year since its launch. The economy will again be updated soon with a new interface that is hoped will make it easier for customers to create virtual goods.
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