Vicious Cycle Software have licensed out their Vicious Engine to Frima Studios for Zombie Tycoon that will be released on PSP Mini service.  Vicious Cycle has used their Vicious Engine for such games as Puzzle Quest: Challenge of the Warlords and Dead Head Fred.  Zombie Tycoon will be using Vicious Engine 2 that was launched earlier this year. Zombie Tycoon is a strategy title that has player... more.