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Global warming is an important subject of the relationship between human and nature after today's economic globalization. Indiscriminate waste is one of the causes of global warming. For today's human beings, it is extremely important to properly sort garbage in order to develop sustainably.
In this game, you will control the rectangle movement in order to collect the waste to correct type. Since the classific methods of diffrent cities, you can choose a city first (Now you can choose Tokyo, Shanghai and New York).
The waste may fall from above, from below or both. The number of rectangles sometimes is one, sometimes is two. The first rectangle can be operated by the ArrowKeys. Another rectangle use the WASD keys to operate. The horizontal keys (such as Left Arrow Key, Right Arrow Key, A Key, D Key) control the left and right movement of the rectangles. The vertical keys (such as Up Arrow Key, Down Arrow Key, W Key and S Key) controls the type of rectangles.