Ten prisoners condemned to exile on a hostile planet XT-59 must pave the way through swamp to reach the Islands of Happiness, the only safe area on the planet, before the harsh climate or th... Read allTen prisoners condemned to exile on a hostile planet XT-59 must pave the way through swamp to reach the Islands of Happiness, the only safe area on the planet, before the harsh climate or the underground horrors kill them all.Ten prisoners condemned to exile on a hostile planet XT-59 must pave the way through swamp to reach the Islands of Happiness, the only safe area on the planet, before the harsh climate or the underground horrors kill them all.