Underground City Escape game online in EightGames. You have found out the underground city which is nearby to your city. You shared this to your friend and planned to visit it one day. On that day you found the way to enter into the underground city and it was amazingly full of gold and diamonds inside it. You were stunned by seeing those ornaments and you did not notice the trap kept in each place. Without knowing your friend got trapped in that underground city and you lost the way too.