The Hero meets an explorer that is searching for the mythical kingdom of Atlantis, and together they set out on a journey across the western Mediterranean. The key lies in the legendary Diary of Herakles, rumored to be in the Phoenician City of Gadir, but their journey will take them beyond the edges of the known world... Atlantis Quest Play a classic Titan Quest adventure in single player or up to 6 players in co-op New items and unique rewards Tartarus Endless Mode A wave based challenge mode, playable in single player or up to 6 players in co-op Random elements change up the gameplay Other Features Expanded Masteries - Unlock a new tier of skills for each mastery Visual Upgrades - Graphical upgrades such as SSAO and color grading Quality of Life Improvements - Quick cast, easier storage and other long-awaited perks Casino Merchant - Spend your excess in-game money on randomly generated loot