If you enjoyed completing the puzzle adventure game New York Mysteries 3: The Lantern of Soul, you'll be excited to dive into the bonus chapter. Read on for my complete walkthrough guide, which covers all of the hidden objects and puzzles you'll encounter.

Please note, this guide only covers the bonus chapter. If you are looking for help or information on the main game, check out my New York Mysteries 3 Walkthrough – The Lantern of Souls. Also, there are no collectibles in the bonus chapter.

The story begins with Will being sent to Hardstein's bunker to find dangerous artifacts, but when he enters the office he inadvertently starts a countdown for the rocket launch! Click on the cardboard box (a1) for a close-up, take the solvent, and then go to the main hall (a2).

Select the rocket (b1), grab the electrical tape from the close-up and use it on the cut wires in the wall in the office (a3) to start a simple puzzle (the matching wires are shown below).