Book excerpt: The Arena of Khaboom is set on the Kraken Continent, an alternative fantasy world. With the Tunnels & Trolls short rules, available by free download, a few dice and a pencil and paper, you can play a fighter to take on any of 72 pre-designed opponents. They get tougher as you progress and many have special powers. You will have plenty of chances to upgrade your abilities and maybe you will even live!