Variant puzzles

This has most likely been suggested before, but it doesn't exactly seem fair that only people who play normal chess get to do training,
and i would really like to see some atomic or crazyhouse training/puzzles. Thanks in advance!

I have created a website for this purpose: chessvariants.training/

Oh thanks!

program foxes site has tons of variant puzzles, Also you can play 960 version of some variants.