Titan Quest Atlantis - Steam

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
  

• A wave based challenge mode, playable in single player or up to 6 players in co-op
  
• Random elements change up the gameplay
  

• Unlock a new tier of skills for each mastery
  

• Graphical upgrades such as SSAO and color grading
  

• Quick cast, easier storage and other long-awaited perks
  

• Spend your excess in-game money on randomly generated loot