Abstract—The availability of fun learning media is an essential aspect of learning a language. One of the educational methods that can be used is education through multiplayer-based interactive games. Its implementation requires real-time communication to support rapid information changes that require large synchronization activities. Thus, it requires high costs in its implementation, especially server needs and internet capacity on servers, likewise, in the implementation of the multiplayer game with WebSocket. Thus, an efficient communication and data synchronization design model is required so that it does not require high costs in its implementation. The method applied to the design was a special synchronization model between the local database and the server combined with socket technology. The design worked on in this study provided performance savings of 39.97% to 75.47% compared to conventional implementation models and without causing any disturbances related to the need for real-time aspects of data synchronization.
 
Keywords—real time, efficiency, game mobile, WebSocket, multiplayer


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