Context Mobile games are a huge market nowadays especially in China. Supervising customers' reviews is a main way to predict a game's commercial potential. Content Reviews of this dataset is from famous mobile game App TapTap. User comment below 3 stars(5 stars max) are treated as 0 (unsatisfied) and others 1 (satisfied) . The ratio of these two categories are about fifty to fifty. Inspiration This dataset is mainly for exploring application of Chinese NLP. For example, when a new game released, people will discussed about it on weibo, game forums, tieba and so on. An automated process of creating a specific model to recognize the tendency of players' discussion would be useful for decision making.