Yep. There should be 3 levels, but I've only made 2 so far. Level 3 is a big boy to make.
Spoilers ---> you assassinate a dude
Edit: Level 3 is done. Go play it now! There is now 2 more levels and a boss fight planned. So in the end the levels should be: 1) Hospital | 2) HTube | 3) The Complex | 4) Train Tubes | 5) The Collection (+Final Boss)