Simple. Invite your friends, get entries, win $25 dollars worth of Steam keys (which are indeed valid). I got these steam keys from some giveaways, and some are duplicates. Only for DB players in my DB group. Check it out here: http://steamcommunity.com/groups/Casual_Core/discussions/0/385428943464303113/
I’m sorry if this is in the wrong spot (I wasn’t sure if it should go under Recruiting or General).