Here’s how it works. The single most expensive hat trade in Team Fortress 2's history went down this week, with one player exchanging goods worth over 10,000 of the game's crate keys (around $1. ...

with Lab Zero Games able to add a bonus stage to the mix - but drawing back from a promise to deliver a Team Fortress 2 hat. In a couple of rapid-fire updates to the project's IndieGoGo page ...