use an iframe instead of a redirect for `/tanx/` page
use an iframe instead of a redirect for `/tanx/` page

deathping1994/moz-games,chirilo/moz-games,mozilla/moz-gdc,potch/moz-games,mozilla/moz-gdc,potch/moz-games,mozilla/moz-games,mozilla/moz-games,deathping1994/moz-games,chirilo/moz-games