Answer:
High tail hall is a flash game made by HTH studios. It is their best work to date, and they changed their company name to suit (HTH studios = High Tail Hall studios).
The game features the character walking round a bar with many interactive anthropomorphic characters. Most of these characters the player can have sex with.
There is no real objective of the game. HTH Studios is currently working on High Tail Hall 2.0, wihch can be found on their website (or at Newgrounds).