Kingdom Conquest II - GameTrailers.com Genre: MMO, RPG Release Date: 1/17/2013 Publisher: Sega Developer: Sega SEGA’s Kingdom Conquest II is the epic free-to-play strategy game for conquerors. Kingdom Conquest II blends the best elements of card battling, real time strategy, MMORPGs, and 3D dungeon battles to deliver a massive and addictive fantasy war game.