http://www.tremorgames.com/?ref=1313835

245 Tremor Coins for 0.001 BTC
1225 Tremor Coins for 0.005 BTC
2940 Tremor Coins for 0.012 BTC

i mostly just watch vids for 5 Tremor Coins each then get the 0.001 BTC
takes 24-48 hours for deposit to my wallet