"Hotfix 01/04/15"@en . . . "In the third installment of Survival Mode, prepare to face the chill inside the Fortress of Solitude! Think you've got what it takes to stop Brainiac's mind-controlled super heroes and villains? Queue up and see how long you can last against unending waves of powerful enemies! Fight for unique style rewards awarded only to those with the most dedication on the field of battle! Players can queue for Survival: Fortress of Solitude from the Event tab if they meet the CR requirement. \n* New Awesome, Kryptonian-themed, shirts for rounds 2, 4, 6, 8, 10 \n* New Kryptonian and Exploration-themed Base Items! \n* 20 total rounds \n* New Unique rewards for rounds 11-20 Requirements: \n* 8 Players \n* Combat Rating: 111"@en . "In the third installment of Survival Mode, prepare to face the chill inside the Fortress of Solitude! Think you've got what it takes to stop Brainiac's mind-controlled super heroes and villains? Queue up and see how long you can last against unending waves of powerful enemies! Fight for unique style rewards awarded only to those with the most dedication on the field of battle! Players can queue for Survival: Fortress of Solitude from the Event tab if they meet the CR requirement. Requirements: \n* 8 Players \n* Combat Rating: 111"@en .