This Recommendation describes subjective evaluation methods providing information about the quality of gaming services@ as experienced by users of such services. Since there is currently no standardized method available for the evaluation of gaming quality@ this Recommendation should be seen as state of the art in order to help choose suitable methods to conduct subjective user tests. The assessment of gaming quality of experience (QoE) is important when planning and implementing online gaming services as well as for the development of instrumental quality prediction models.