What's the accompanying article? Where's it?
I don't think earning bitcoin through games is easy. You need a skill-based game (poker/sport betting/ stock simulator) and you have to be a professional in the sphere you chose. And everything happens really fast, so you also have to be calm and attentive.
Why not to try investing in coins instead? This requires some skills and patience, but I believe that it is not as risky as gambling and not that addictive and time-consuming as well.