Oh Hell and Blackout are addictive and fun card games with a difference and you will soon realise why it is called Oh Hell. The only difference with Blackout is in the scoring method which makes you use a different style of play to win.Ten cards are dealt to each player and players then bid on how many tricks they can make. The next hand is nine cards and then down to one card and back up to ten cards. Good help file with full instructions.