Eye Tracking in Video Game Player Experience

Researchers at the Blekinge Institute of Technology conducted an eye tracking experiment on players’ experience with Half Life 2. A specially modified Half Life 2 game was built using the game’s software development kit to correspond with the players’ eye tracking gaze.

In the experiment, players do not completely control the game through eye tracking. Instead, a keyboard controls each player’s movement and eye tracking is used to control the first person camera view. The researchers measured the players’ ability to navigate through the game environment using gaze as a steering method. To help contrast the differences, players were allowed to switch between gaze and mouse navigation.

At the end of the experiment, players filled out a questionnaire rating their eye tracking experiences. They were asked to rate their experience on immersion, tension, competence, flow, negative effect, positive effect, and challenge. A majority of the players found the navigation of the gaming environment through eye tracking as having a positive experience on the game play and, in addition, felt their level of interaction was more immersive than if they were used a mouse.
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