Most of Senior High school students especially the tenth graders have difficulties to speak English because their mood, motivation, readiness, and in idea organization. Thus, the use of who am I game for teaching speaking descriptive text is recommended. Who am I game is a kind of guessing game that used picture as media in the game. Descriptive text is the simple text than the others, because descriptive text is the text that describes what the students get from their sensory. Descriptions reproduces the way things look, smell, taste, feel, or sound (Wishon and Burk 1980:378). The aims of this study are to describe the implementation of who am I game in teaching speaking descriptive text and to describe the students difficulties in speaking descriptive text using who am I. The research design in this study was qualitative research. The subject of the study was the students of Senior High School 1 Wonoayu Sidoarjo; the tenth grade students of IPA7 which consist of 36 students and the English teacher of IPA7. As the result the implementation of teaching speaking descriptive text using who am I game made the students confident to speak English and it was effective media for teaching speaking descriptive. Besides, from the result of questionnaire shows students difficulties are they feeling shy, anxious, afraid, and worriness in speaking English. Then as the suggestion of this study students should be confident when practice English.