| Type | Multiplayer online video game, Role-playing game |
| Genres | Fantasy • Science fiction • Modern • Adventure • Cooperative |
| Origin | Text-based MUDs |
| Evolution | Complex puzzles • Storytelling • Cooperative problem solving |
| Platforms | PC • Console • Mobile |
| Significance | Popular culture • Societal impact |
| Common ruleset | |
| Player interaction | Guilds • Player vs. player • Player vs. environment • Player vs. Monster |
