Improve "Filter Games"

Hey

I just discovered that there is the possibility to hide the existing games of your steam account on the giveaway list :)

I have over 220 games, so that is helpful. But there are still too many pages of giveaways.

Couldn't there be more filters?

Some suggestions:

• "Contributor Only" could be filtered (Or optional with the possibility to set a maximum line. I don't want to see the games for 100$+ contributors)

• "Missing Base Game" could be filtered

• The possibility to add games manually to a filter list (For example Vanguard Princess. I can get a free key by myself, so I don't have the desire to see 10 giveaways of Vanguard Princess ...)

• Just show giveaways for contributors (There aren't so many contributors, so the chance of winning is higher. That could be a reason to just want to see these giveaways. Optional with the possibility to set a bottom line, for example 20$ [so that all the 0.01$ are filtered])