in co-op. Survive the Tartarus, an endless, wave-based challenge mode. Unlock new skills, spend all your excess in-game money on random loot and enjoy graphic and QOL improvements!" "Main Features: New Atlantis Main Quest Line - Play a brand new Titan Quest adventure in single-player experience or hunt the mystical hordes of Atlantis with up to 6 players in the co-operative multiplayer mode - Find and claim new items and unique rewards Tartarus Endless Mode - A wave based challenge mode, playable in single player or with up to 6 players in co-op multiplayer - Random elements change up the gameplay and will make sure every game is different from any other 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"