Titan Quest is an action role-playing game set in ancient mythological worlds, where players take on the role of a hero battling various creatures from Greek, Egyptian, and Norse mythology. The game features a vast open world filled with quests, treasures, and challenging enemies, allowing players to explore diverse environments. Players can customize their characters by choosing different classes and skills, creating unique builds to suit their playstyle. Titan Quest also includes a multiplayer mode, enabling friends to team up and tackle challenges together. The game has received praise for its engaging gameplay and rich mythological themes.