1. Crossover
Well it's all crossover ralted so it gets #1
2. Anime Crossovers
It's all about anime so it gets #2
3.Fallout: Equestria
Well this is one of the greatest crossover ideas so it gets #3 because it a big thing, but since it's only for one crossover unlike #1 and #2 it gets #3
4. Doctor Whooves
Even though doctor whooves is fan made it counts as a crossover of doctor who so it gets #4
5.Fallout: Equestria Related Fics
Reasonthis one is at the bottom is because there already a group for it, but it has a lot of members in it so it counts, but it gets #5