Piggy coin and Piggies are not the same.
The one you see on CMC (https://coinmarketcap.com/currencies/piggycoin/) exists for more than 3 years.

Piggies is a ERC20 token that exists for 12 days.
Totally different.

Juste have a look a the supply in CMC 486,236,602 PIGGY vs. 2,800,000,000 PIGGY

They are not the same. Stop being confused.