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Harold Halibut: Chapter 4 – Walkthrough

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Harold Halibut: Chapter 4 – Walkthrough

The following guide will help you complete Chapter 4 of Harold Halibut.

Harold Halibut – Chapter 4 Walkthrough

There are four sub-chapters included in the fourth chapter that players must progress through by completing the main tasks in each one. All the sub-chapters in the fourth chapter are as follows.

  • Chapter 4.1 – The Expedition
  • Chapter 4.2 – Analysis of the Crack
  • Chapter 4.3 – Refining the Plan
  • Chapter 4.4 – Final Preparations

In this walkthrough guide, you can find the main tasks related to each sub-chapter in their respective section.

Chapter 4.1 – The Expedition

As you return to Fedora, a couple of cutscenes will play in which All Water Corp. will get to build a tube all the way to the Cave. At the end of the cutscene, Professor shares the bad news of Buddy passing away with Harold which will give our first main task.

All Main Tasks in Chapter 4.1

Buddy’s Funeral

Once you gain control of Harold, leave the Crack and follow the path to find the new tube installed by the All Water Corp. head inside the tube and it will take you to the Central Station in Fedora. Head outside of the tube to watch the cutscene of Buddy’s funeral.

Time to Sleep

After attending Buddy’s funeral, it’s time to head back to Harold’s room to get some sleep. Go to the laboratory in the Lab District. Head down to Harold’s room and you will find a package from Buddy. Inspect the package to find the letters from Buddy and it will initiate a cutscene leading Harold to sleep automatically.

Chapter 4.2 – Analysis of the Crack

Upon waking up the next day, head out of Harold’s room to speak with the professor in the laboratory. It will start a brief cutscene and you will get a main task.

All Main Tasks in Chapter 4.2

Find Something to Do

Professor Mareaux will not have anything at the current moment for you to look after so, go out and make your way to the Crack through the Tube in the Central Station. Once you are in the Cave, make your way to the Crack and speak with Brigitte. She will give you the task of connecting the cables to the computer.

  • Plug the first cable in the top right slot.
  • Plug the second cable in the bottom slot.
  • Plug the third cable in the top left slot.
  • Plug the fourth cable in the middle slot.

After plugging four cables, the fifth cable will need a suitable socket that is missing at the moment.

Find the Missing Adapter

To find the Adapter, head back to the Central Station in Fedora, and from there, enter the next tube to go to the Energy District. Make your way towards Brigitte’s Office and enter inside to find Slippie. Speak to Slippie and choose the YES option when he asks for help with the machine.

  • Open the Cover on the machine by using the movement keys.
  • Hover the cable into the slot and press the interaction key.
  • Grab the lever and then pull it up using the movement keys.

After helping Slippie with the machine, you will receive a message from Filter Frankie about the Adapter. Now, head to the tube and select the Lab District as the destination. Head into the LVL 1 and go down the stairs. Go to the right side towards the Filtration Pump 014F and a cutscene will begin in which you will get the Adapter from Filter Frankie.

Take the Adapter Back to Brigitte

Now, go back to the tube and select the Central Station as the destination. Go into the new tube to make your way to the Cave. Head to the Crack and meet Brigitte to complete the task.

Rafi’s Broadband Expertise

After giving the Adapter to Brigitte, return to Fedora and make your way to Agora Arcade to meet Rafi in her Game Arcade shop. Speak with Rafi to ask her about more connections in the Cave.

Meet with Felix Secretly

Upon exiting Rafi’s shop, Felix will meet you outside the shop and will give you a mysterious password. Now, make your way back to the tube and to the Central Station. Go to Tube 4a and select the Utility District as the destination.

Head to the right side and you will come across a staircase leading to a door between the Pharmacy and Buddy’s Postal shops. Head up the staircase and interact with the door to start a cutscene.

The Heist

After the cutscene, exit the Lightkeepers’ room and make your way to the tube. A cutscene will begin and you will reach the All Water District. Here, stay close to Felix and another cutscene will play which will carry on the heist.

Time to Sleep

With a successful heist, it’s time to get some rest. Go back to the laboratory in the Lab District. Head down to Harold’s room and interact with the bed to sleep.

Show Rafi the Tape

After waking up the following tape, go back to the Agora Arcade and into Rafi’s Shop to show him the tape that you got from the Lightkeepers. A cutscene will begin and Rafi will agree to help in making broadband connections in the Cave.

Tell Brigitte the Good News

Now, go to the Crack in the Cave and speak with Brigitte to share the good news with her.

Check on Cyrus – Again!

Upon helping out Brigitte in the Cave, you will get the task of checking on Cyrus. Go back to Fedora and make your way to the Lab District. Head into the LVL 1 and enter Cyrus’s office to begin a cutscene which will conclude this subchapter.

Chapter 4.3 – Refining the Plan

As you wake up from bed, go into the laboratory and speak with Professor Mareaux to get the first main task.

All Main Tasks in Chapter 4.3

Join the Gang

Head out of the laboratory and make your way to the tube. Go to the Central Station and then step inside the tube to reach the Cave. Make your way to the Crack to find everyone at the Yellow Tent. As you go to the tent, it will start a cutscene.

Find two Fish for Brigitte

You need to get two Fish as a test subject of the Crack. Simply, follow Weeoo to the Cave and he will help you get the participants for the test.

Bring Fish Friends to Brigitte

Return to Brigitte in the Crack to start another cutscene where you will get to learn more about the Crack.

Tell Cyrus about the Bubbles

After learning the possible exposure about the Bubbles, head back to the Fedora and then make your way to Cyrus’s Office in the Lab District. Speak with Cyrus and he will ask for your help in matching two wavelengths on the machine.

You need to align the frequency of both wavelengths equally. Use the first and the second knob on the machine to align the frequencies. Once done, a cutscene will play concluding the subchapter.

Chapter 4.4 – Final Preparations

As you wake up in Harold’s room, head into the laboratory to initiate a cutscene where you an Weeoo will be advised to go to the Crack to test out the new suits. However, as you step out of the laboratory, you will receive a message from Cyrus, giving you the main task.

All Main Tasks in Chapter 4.4

Final Preparations

As you make your way toward the tube, Harold will feel like using the bathroom as it has been a while.

Pee

Go down to LVL 1 and step into the bathroom on the left side. Head into the first cubicle and you will hear someone crying in the next cubicle.

Continuing Final Preparations

After the cutscene, head to the tube and select the Social District as the destination. Go to the right side and head inside the classroom. Watch the cutscene and after the cutscene, as you leave the classroom, you will get to attend a party outside the classroom.

Here, you need to speak with every NPC at the party. Upon speaking with everyone, it will automatically take you to the next day which concludes Chapter Four.

Playing video games since a kid, Max Payne was the first game I ever played. I adore the soundtracks and worlds created in gaming. Passionate about writing gaming guides across all genres for all platforms. Confident in my publications in order to help other gamers across the world. I love video games in general and they are close to my heart.

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