Groups

 

Steam Trading

Other (objects, etc.) concept

Supports Steam Trading which allows players to trade in-game items and such between players ignoring game boundaries in terms of what is tradeable for what (though usability is still likely restricted to the particular games).

10
games
4
platforms

The first video game about Steam Trading was released on October 2007.

Valve and Sega has published most of these games

For example a player may trade a hat from TF2 for a sword in Spiral Knights with another player, but but the hat is still only usable in TF2 and the sword in Spiral Knights.