This document discusses how to conduct gaming ethnography to understand player experience. It defines ethnography as the scientific study of customs and cultures through various levels of interaction or observation. For gaming, ethnography frequently analyzes player communities in virtual worlds and MMOs to understand how players interact. The document outlines grounded theory, which builds theory through data gathering without prior assumptions. It explains how to develop codes, categories, and theory from observed data through multiple attempts at ethnography. The conclusion states that ethnography and grounded theory are useful tools for games to help designers develop based on player actions and reactions.