Drainage Tunnel Escape is another point and click room escape game developed by Knf Game. In previous level mike found the diamond in a halloween house. Now he got an message from one of his officer that some strange thing are happening in an old Drainage Tunnel in the city. Mike doubts that it could be the clue for the 5th diamond and he went to the tunnel in search of the diamond. Now help mike by clicking the objects and solve some puzzles. Good Luck and have fun playing free online escape games.