It's because you need to become a ClubFoo or ClubFoo Plus member. It used to be all normal and now, it's a kid friendly site and you have to pay to play. They discontinued the 21(i think it was 21)...
A long time ago.....the foopets were called pokeys. They looked different then the foopets now. Then over time the FooMojo changed the look & name of the pokey to a FOOPET. So the first ever made...