"High Tail Hall" doesn't appear in major game databases (BoardGameGeek, Steam, MobyGames, IGDB). It may be a very obscure indie title, a misremembered name, a Flash/browser game from sites like Newgrounds or Kongregate, or a custom/modded game.
Please share any details you recall:
Reply with whatever fragments you remember – even "blue rabbit, trampoline, techno music" can trigger recognition in gaming communities!