no, they are not glitched.
you just have to make so called royal flush and that means you have to hunt for the head, the arm and the leg in one flush.
I got a bit lucky and I get five of them during like 2 hours, maybe even less.
some of them are told to be tough (I didn't feel it, tho ; ]) and the luck is most that matters on Kunoichi especially.
Let the vodka FLOW like... uhh... the rivers in Egypt! Yeah!!!
- Rob Flynn