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Have played several games on my Raspberry Pi with RetroPie, this controller works great. The following is the code you need to put in the NES config file for two controllers, if only using one then omit the second paragraph (Located at /home/pi/RetroPie/configs/nes on your raspberry pi). input_player1_a_btn = 1 input_player1_b_btn = 2 input_player1_start_btn = 9 input_player1_select_btn = 8 input_player1_left_axis = -0 input_player1_right_axis = +0 input_player1_up_axis = -1 input_player1_down_axis = +1 input_player2_a_btn = 1 input_player2_b_btn = 2 input_player2_start_btn = 9 input_player2_select_btn = 8 input_player2_left_axis = -0 input_player2_right_axis = +0 input_player2_up_axis = -1 input_player2_down_axis = +1 So far so good, hope everything works as well for you as it has for me.