You have to hurry, if your enemy develops faster than you, you will fall behind in civilizations and lose your lands and be defeated. You can get the full version for $ 20. Nemesis of the Roman Empire is a real-time strategy role-playing video game developed by Haemimont Games and published by Enlight Software. The sequel to Celtic Kings: Rage of War, the game is set in Punic Wars and allows the player to take control of one of the four nations as well as Hannibal the Great.