Re: TheCoins.net - Provably fair Minesweeper, Dice, Spin to Win! Unlimited faucet

it's a very nice and well-designed site. I'll probably deposit some coins and try my luck later.

Probably not a good idea IMO.
Apart from DanilaKor's issue above, there are at least 2 outstanding scam accusations against the site (https://bitcointalk.org/index.php?topic=932116.0 and https://bitcointalk.org/index.php?topic=954606.0). Also, OP isn't active here as well.