Yes, an internet connection is typically required to play the games developed by Machine Zone Inc. This is because the games are designed to be immersive, multiplayer experiences that rely on real-time interactions with other players and constant updates from the game servers. An internet connection allows players to access various online features, such as live events, leaderboards, and social interactions, which are integral to the gameplay experience. Without an internet connection, players may encounter difficulties in accessing these features or could find that the game is unable to load. For more specific details about the requirements for a particular game, it may be worthwhile to check the current web page associated with Machine Zone Inc, where additional information could be available.