But earlier used to pay 2 satoshi or 3 satoshi per lottery right?
That is correct. Like all the prizes on Freebitco.in, the cost of lottery tickets is linked to the BTCUSD exchange rate. I wonder if Wetsuit plans to start using fractional satoshis if the price keeps going up?
It used to change but after reaching price to 0.00000001 BTC then no changes.
It looks like their system is adjusted to the minimum amount 0.00000001 BTC after that if BTC prices go high then it will not adjust the price based on BTCUSD exchange rate. But it good if their support team provide a clarification on this because couldn't find details on their site. If BTC price goes high mean each lottery ticket also go high now.