ITT pretty obvious from the title
Games involving anywhere from a low level to a high level of ponyplay or petplay content
Only ones I can think of are
>Slavemaker 3
https://slavemaker3.blogspot.com/
probably the best trainer game easily, shame it hasn't been updated in years, has a pretty decent amount of ponygirl/catgirl/puppygirl content, with some characters having much more than others
I think that's it actually, can't think of any other ones off the top of my head.