Agent A: Chapter 5, The Final Blow – Walkthrough Guide

Agent A: A puzzle in disguise
By: Yak & co

Yak & Co. is back with the conclusion of Agent A, as we try to locate Ruby La Rouge’s submarine. This chapter finally brings us the end of the game which we’ve been waiting four years for. This walkthrough guide will help you if you get stuck on any puzzles in Chapter 5, The Final Blow. Feel free to ask for extra help in the comments section.


Chapter 1 | Chapter 2 | Chapter 3 | Chapter 4 | Chapter 5 Page 1 | 2 | 3 | 4 | 5 | Achievements

46. Use the boat to get to the lighthouse and then go back to the beach again. There will be a fish in the net! Now, pay attention here because there are several achievements related to the fish and if you’re not careful, you’ll miss some.

47. Let’s work on some of those achievements. For the Catch and Release achievement, throw the fish back into the water. Then catch another.

48. Go back to Floor 0. Take the left door to get outside. Place the two stone artifacts with the rest of the symbols sculpture. Now you can rotate them all. The solution will be different for each playthrough since the numbers on the blinds are different. Mine were 5, 13, 18, 1, 12. Using the guide from the lighthouse keeper’s journal, I can identify those numbers and see which symbols correspond to them. You’ll have to work your own out yourself, but it’s not difficult. The 12 on the bottom is always the same because the bottom piece of the sculpture doesn’t turn. But once you have the symbols noted down, just find them in the same order on the sculpture. The game doesn’t give you any feedback to let you know you got it right. I’ll show you how you know in a bit.

49. First, let’s start working on the rest of the Gasbag with Gunther achievement. Climb down the rope to Gunther’s nest and feed him the fish. He won’t move, and you don’t want him to yet. Tap on him repeatedly until the text stops changing. We still need to feed him more fish.

50. Go back to Floor -2 and catch another fish. While here, turn towards the wall with vines. Notice the little metal plate slid down, revealing a secret compartment. That’s how you know you solved the symbols sculpture puzzle correctly. Take the ornate gem from inside. While here, cut the vines and place the golden star disc in the slot. We’re still missing one.

51. Go back to Floor 0 and feed Gunther another fish for the Gasbag with Gunther achievement. Tap on him repeatedly until the text stops changing.

52. Catch another fish and feed it to Gunther in his nest. Tap on him repeatedly until the text stops changing. Keep doing this until Gunther gets hiccups and you’ll get the Bird Buffet achievement. I think if you get to this point and did it right, you should also get the Gasbag with Gunther achievement here, but I messed it up. So bear with me.

53. Let’s work on the Cat Door Courier achievement now. Catch another fish. Then head up to Floor -1 and place a fish in the cat door. Onyx will grab it and you’ll make a friend.

54. There’s one more achievement to get while we give up access to the fish — Sashimi Buzz Cut. Catch another fish. Head back to Floor 0 and into the air ducts. Find the fan and drop the fish onto it. Then collect the fish bones for this achievement and another one later.

55. Now we can finally deal with Gunther properly. Catch another fish. Then place it on the log. Gunther will come down to eat it.

56. Go back to Floor 0 and head over to Gunther’s next. Now you can grab the ornate gem he was sitting on.

57. Go back to Floor -1 and add the remaining gems to the floating box. Then take the mystery key.

58. Go back to Floor -2 and enter the vault. Use the pattern you got from the card suits box to solve the floor puzzle. It’s different in each game, so you can’t just copy mine. A locked mechanism will rise up from the floor.

59. Use the mystery key to unlock it. Then take the golden star disc from inside.

60. Head to the waterfall area and place the other golden star disc in the slot.

Click on the little numbers below to continue to the next page of the walkthrough or click here.

Chapter 1 | Chapter 2 | Chapter 3 | Chapter 4 | Chapter 5 Page 1 | 2 | 3 | 4 | 5 | Achievements

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Can’t find chapter5

parivesh sharma

I don’t understand the spider web thing, nothing happning on mine.


Hi yeah, you said the final blueprint piece was under the jet pack, but I’m still missing a piece? What’s the other location for the 5 clearance blueprint piece?

Conrad Uno

Hey, same for me but I’ve just found it! I was also missing the clubs key from the hallway box which i know i got in ch4. So went back inside Ruby’s house upstairs to study and over on the shelves that the cat knocked was missing blueprint and club key. Maybe it was the update, just glad i can carry on. Hope it works for you too


Same here.


So I finished all the chapters and I think you all need to follow the cat footprints the upstairs part of Ruby’s house. I did that in chapter four and got all the blueprints.


how the f? I found only one blueprint at the start of chapter 5 like you. But I seem to have one missing still.


I was missing one too. Found it back in the house in the room with the phone and the phonograph. On a shelf by the red lever.


Thanks for the tip. I found the missing blueprint piece there too.


I got the bird on the log with a fish before I knew to take a fish to the cat. I keep trying to get another fish, but a bird flies away with it every time. I have the key for the pink -2 room, but my code won’t work and I’m assuming it’s because I haven’t given the cat the fish yet. Do I have to reset the whole game now?

Moisés Carvalho

I can’t move the spring on the security pad in floor -1


Same here.

Shubham Trivedi

I can’t find Spade Key


Me either


How do you get to the waterfall?


What is the trick to the puzzle to open the waterfall?


This is a hard one to crack I am still stuck on this


Is there a trick for the floor puzzle beyond matching it to the pattern inside the box? I’ve definitely matched mine but no box pops up for the key.


Check second from bottom tile, rotate it a little. It was a problem in my case


Has anyone solved the puzzle behind the waterfall?


Also stuck here. I did the puzzle and nothing happened.


Check second from bottom tile, rotate it a little. It was a problem in my case


I’m missing the clover shaped key, where did u get it?


What is actually behind the middle door with the gold handle? It’s never opened throughout the entire game or did I miss something?comment image


Hi, I do not appear to have the rope, despite reading this I cannot find it, where is it?

Charlotte Evers

Have you found this yet? I’m missing it!


I just saw the answer to my question. Thanks!


where’s the floating box? I can’t seem to find it.

Ray snowden

I’m missing a ruby. I thought I got them all but one is still missing. Is there 3 or 4 Ruby’s? I’m stuck.


The one I’m missing is the top one. Where is this located? When I dropped the others in it went to its place.


Where do we get the second stone


Hi, I’ve started chapter 5 but I can’t find the lighthouse?


how do i get to the light house