I got into the beta for Hearthstone: Heroes of Warcraft (
http://us.battle.net/hearthstone/en/). It's an online trading card game.
I've never been big on trading card games. I played one game of Magic about 10 years ago. It was fun, but the learning curve was REALLY steep, and the investment to get a halfway descent deck was too high.
That being said... Hearthstone is freaking
addicting. The learning curve is shallow enough in the beginning anyone can pick it up fairly quickly. The best part?
It's going to be free to play with the option to spend real money buying card packs or entering the arena (both of which can be purchased using in-game gold earned through just playing the game).
I think I've found my new time waster. Deceptively simple. Insanely fun.