Yes the entire game in one world seen maps about just one chapter NOT ANYMORE for this is all chapters in one world so you can explore role play or even just in prove it 

In the world it starts off in chapter one where you can find the relics to fix the ink machine or visit the ink machine it self

in chapter2 after you go through the trap doors at the front you go to the music department and then you have to find wally’s keys in the projectionists booth in order to find out sammy’s song 

after you click the button you will be in the safe house then you can leave then you go into a dark area then to heavenly toys then you will have to do Alice’s  errands and they are on each and every floor you visit once your done you will go to the elevator then click chapter 4

in chapter 4 you will go to the archives so you can progress then you have to get ink to make a lever to get across the abyss then you will climb through a vent then at a warehouse you will go through puzzles  then you will fight your friend after that there is a button that takes you to chapter 5

you will spawn in a prison cell you will have to escape to get to the next part which is riding down an ink lake after that you will have to fight Sammy then a bunch of monsters will spawn then you have find three pipes after going down a hallway you will have to fight bendy and deafest him once and for all.
 

once bendy has been defeated you will Spawn in joeys apartment then you go through a door that takes you to the start all over again. See what I mean you can NEVER leave 

also you spawn With 4 morphs Toon Bendy Ink Bendy Boris And Beast bendy