Example image of eyePlorer eyePlorer map for 'Multiplayer video game': Non-player character Single-player video game Cooperative gameplay Gamemaster Deathmatch (gaming) Massively multiplayer online role-playing game Player versus environment Player versus player Computer network PLATO (computer system) Empire (PLATO) Spasim First-person shooter PDP-11 Shared memory BASIC Decwar Digital Equipment Corporation Star Trek PDP-10 DECSYSTEM-20 Atari ST Federation Klingon MIDI Maze Ethernet Internet Musical Instrument Digital Interface Game Boy Super Nintendo Entertainment System Local area network Doom (video game) Lag LAN party Play-by-mail game Play-by-post role-playing game Massively multiplayer online game EverQuest Real-time strategy Role-playing game World of Warcraft MUD RuneScape Battlefield 1942 Counter-Strike Omgpop Lineage (video game) Internet Control Message Protocol Ping Digital subscriber line