In screen of game, there are two area: land/water area and sky/cloud area
* Sky/cloud area
In this area, there is one crane, many clouds, balloons and other birds. Crane is dropping down time by time. When crane hit other birds or balloons, game is over.
* Land/water area:
In this area, there are 4 picture block, 1 text block and 1 icon block.
When player tap on picture of picture block, if this picture describe English word in text block, player gains 20 credits. Counter in icon block will be increased.
When player tap on icon of icon block, crane will move up and counter of icon block will be decreased by 1.