Question: In which city is this German video game and software developer founded in another city in 1999 based, which absorbed workers from the disbanding of Carbonated Games?
Sentence (from "Carbonated Games"): Its alumni went on to Hidden City Entertainment, Microsoft Aces (Microsoft Flight Simulator), Blizzard Entertainment, Hourglass Games, the Microsoft Xbox Live Arcade group, GameHouse, Amazing Society, Realtime Worlds, Playdom, PopCap Games, Crytek, Griptonite Games, and DigiPen Institute of Technology.
Relevant evidence: Yes