What does the * mean?

Bundle game.

Means it is bundle game, give you max 10 contribution value I think, to total 30 contribution value. (If you gift 10 copies of Dota 2 for example, you don't get 100 contribution value, but 30)

This mean "multiplacate" in Exel.

I think that are games from bundle/abused list that not give you contribution in the normal way.

Thanks for the replys :)