Quick Answer
Chapter 5 takes place in the Heartlands. The two common blockers are the statue puzzle and finding water. Finish the statue by clicking the mouse token, and fill a glass at the brothel's fountain.
Chapter 5: how do you solve the statue puzzle?
Place the eyes, set every figurine, then click the mouse token that appears.
Put the eyes in the statue
Placing the eyes in the statue unlocks the puzzle.
Set the figurines
Put each figurine in its slot. When they are all correct, an extra slot opens with a mouse token.
Click the mouse token
Click the mouse figurine in the new slot to finish the puzzle.
The mouse token sometimes ignores clicks. Reload a save from just before the puzzle and solve it again. More solutions are in the Neo Junk City puzzles guide.
Where do you get water in Chapter 5?
Find a glass and fill it at the fountain in the brothel's bottom-right corner.
The gas canister does not work as water.
Next, continue with the Neo Junk City Chapter 6 walkthrough, or see every condition in the Neo Junk City achievements list.
FAQ
Chapter 5 takes place in the Heartlands.
Put the eyes in the statue, set the figurines, then click the mouse token that appears.
Reload a save from just before the puzzle and solve it again.
Fill a glass at the fountain in the brothel's bottom-right corner. The gas canister does not count.