Yup, mine stopped paying too... just a few payments away from profit too. Still at least that means minimal loss (on a minimal investment). Obvious ponzi but there's sometimes money to be made i you get in early enough. Looks like I didn't

You still have high chances to lose ALL your money even on the first day of the site, trust me, I did once

. Yelp, I am done trying to make profit from this kind of offer.
There is even a report on CoinDouble from this site
http://www.badbitcoin.org/thebadlist/index.htm.
After some posts here saying that the site is not paying anymore, I hope no one thinks the site creator will come back to give support. If he comes, it will be just to throw some false hope.