Titan Quest: Atlantis

Summary pulled directly from Steam - Some text may only be applicable to Steam platform

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

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