And why can't you multiply the free coins if you play sensibly?
Money is money, deposited or rewarded, and the outcome should be same
I think it is possible but the chances are very small. Free coins, that is small amounts really. Its primary purpose is only to be used to test games, experience, and have an idea of how a game works. But if you do have the so-called sanity in gambling, there is nothing impossible that you can increase the coins, of course, you will not lose that with pure luck.
True that free coins from code have a chance to get 80k coins but that is too slim. Often times code user ends up getting 15 coins which are too little to enjoy any games from the site.
Though I wonder how is the affiliate system works, I got a referral and got 100 coins from his deposit. Then after 2 days, I got 12k coin. I am still confused on how I got those bonuses.
Btw, one cannot link his steam account to his gamdom account once he use an email for registration. Multi-account is not prohibited as long as you don't exploit it.