Entertainment services, namely, conducting alternate reality games via the internet; Entertainment services, namely, providing a website featuring games and puzzles; Entertainment services, namely, providing an on-line computer game; Entertainment services, namely, providing on-line computer games; Entertainment services, namely, providing online browser-based video games; Entertainment services, namely, providing online co-op video games; Entertainment services, namely, providing online electronic games; Entertainment services, namely, providing online multiplayer video games; Entertainment services, namely, providing online player versus player (PvP) video games; Entertainment services, namely, providing online video games; Entertainment services, namely, providing virtual environments in which users can interact for recreational, leisure or entertainment purposes; Virtual reality game services provided on-line from a computer network; Art exhibitions using virtual reality