| Summary: | This study is about how a person who is used to play games experiences playing a game with their eyes as input. The participants played a 3D game where the player had to collect coins by moving a ball over them. The participants first tried the game with keyboard as input and then right after only interacting by gazing via screen. The achieved score was recorded both for input from keyboard and input from eye. After the game session the participants were asked to answer two questionnaires that contained questions about their background and questions referring to the game they just played. The experiment was performed in a lab with a TobiiT60 eye tracker. All participants got lower score when they used eye tracking as input but most of the participants found it to be more fun. We reached the conclusion that, with the game used in our experiment, the participants felt that gaining a high score was not the most important. Instead they ranked having fun as a more important factor. Our experiment has shown that using an eye tracker can make a casual game more fun.
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