Question about rules.. pls help.

It doesn't clearly state this anywhere in the guidelines, so i hope somebody can answer here.

Am i allowed to put up something for sale IN RETURN for items/gold in other games? For example, can i put up an auction of GW items in which i trade/sell for items in a differnt MMORPG, such as WoW or D2?

I thank any replies beforehand.

yes i belive you can

I think you can for other games but not for real money.