This SYNESTHESIA achievement walkthrough will guide you through the entire game and earn you the full 1,000 Gamerscore or Platinum trophy.
SYNESTHESIA is a visual novel from Publisher Ratalaika Games and Developer Spire Games.
The year is 2029. The Huntley Scientific Research Institute has opened its doors to a select few"”young individuals gifted with extraordinary mental powers and mysterious abilities. Among them is Ziek, a university student with a rare form of "synesthesia""”a perception that allows him to see the hidden significance of objects through vibrant splashes of color. But what begins as an exciting opportunity quickly spirals into something far more dangerous. As Ziek uncovers the secrets buried within the institute, he realizes his carefree life is over. A deeper conspiracy is at play, and he's already entangled in its web.
To start off you’re going to want to head into the PREFS. Menu and change Skip to All and After Choices to Keep skip. You can also move the Text Speed and Auto F. Speed Sliders all the way to the Right.
CHAPTER 1
Mon 04/09
- Travel to Living Room
- Travel to Institute
- Travel to Main Street → Cheeky Dog
- CHOICE: Offer to buy her another one
- Inspect: Select Picture Frame → Select Window → Select Bed
Tues 04/10
- CHOICE: Apologize
- Travel to Main Street → Arcade
- Inspect: Select the streaks of light in the sky (the Synesthesia)
- Travel to Main Street
CHAPTER 2
Wed 04/18
- Travel to Main Street → Arcade
Fri 04/20
- Travel to Main Street → Sharp's Point → Wharfside
Mon 04/23
- Travel to Institute → Inside Building
- Inspect: Top section of the second door
- Puzzle: Code =
1 3 3 4 1 2 4 5 - Inspect: Lanyard → "Student Profiles" → "Phi Correlation Report"
- Inspect: Tag on top of the lanyard
CHAPTER 3
Tues 04/24
- Travel to Arcade
Wed 04/25 - Divergence Point
⌠BAD ENDING 1:
- CHOICE: Explore the Institute
- Travel to Institute → Inside → Far Hall → Staff Passage
- = BAD ENDING 1
- Select "YES" to return to nearest divergence point
🔠CHARACTER ROUTES
KELLER ROUTE
Wed 04/25
- CHOICE: Find another way
Sun 04/29
- Travel to Institute → Inside Building
- = KELLER END
- Select "YES" to return to Chapter 3
ISLA ROUTE
Wed 04/25
- CHOICE: Explore the Institute
- Travel to Institute → Inside → Far Hall → Staff Passage
- TIMED CHOICE: Run and Hide
- If timer expires = BAD END 1
Thurs 04/26
- Mini-Game: Get 30 kills for the “Space Apprentice” Achievement
- Tip: Choose Isla's ship and spam shoot button
If you are unable to get 30 kills or mess up for some reason you can get this achievement later. From the Main Menu go to Tips & Chart Menu. Then Scroll Down and select Open Flowchart Sub-Menu. Scroll down to Thursday, April 26th and select the Far Right option for Story. You can then skip a bit of dialogue and you will end up back at the Arcade Game.
Sat 04/28
- Travel to Sharp's Point → Click on Synesthesia on Isla's House
- Travel to Wharfside
- Travel to Main Street → Cheeky Dog
- Travel to Arcade
- Mini-Game: Get 50 kills for the “Space Master” Achievement
As mentioned above for the 30 kills. If you don’t get 50 kills or mess up for some reason you can return to this arcade game by going to the Main Menu then the Tips & Chart Menu. Scroll Down and select Open Flowchart Sub-Menu. Scroll down to Saturday, April 28th and select the Far Right option for Story. You can then skip a bit of dialogue and you will end up back at the second instance of the Arcade Game.
Mon 04/30
- CHOICE: Talk my way out of this
- ⌠BAD ENDING 2
- Select "YES" to return
- CHOICE: Charge him!
- = ISLA END
- Returns to main menu
ERIS ROUTE
How to Enter
- Open flowchart from Tips & Chart Menu → Jump to "Explore" on Wed 04/18
- Travel to Main Street → Sharp's Point → Wharfside
Fri 04/20 → Mon 04/23
- Use "Skip" button at the top right to bypass exploration and puzzles. You will “Skip” Explore twice and you can skip a code puzzle.
- When you progress to 04/24 the skip option will no longer be available.
Tues 04/24
- Travel to Main Street → Cheeky Dog
Wed 04/25
- CHOICE: Explore the Institute
- Use the “Skip Button
Thurs 04/26
- You enter Eris’ Route
- Travel to Main Street → Downtown → Apartment
- = ERIS END
- Returns to main menu
✅ TRUE ROUTE (Final Route)
Requirements
- Complete Isla's End (Red Key)
- Complete Eris' End (Purple Key)
How to Enter
- Open Flowchart from Tips Menu → Jump to the Middle "Story" tile on Thursday, April 26th
Thurs 04/26
- CHOICE: Find Maya
- Confirms True Route
Sat 04/28
- Travel to Main Street → Arcade
- Travel to Downtown → Click on Synesthesia on middle building
- Puzzle: Code =
7 4 5 3 1 2
Sun 04/29
- CHOICE:
- Q1: How close one's DNA matches Phi
- Q2: The colours are information from other worldlines
Mon 04/30
- Inspect:
- Select Poster in middle
- Select bottom-left corner (hard-to-see Synesthesia)
- Select Safe
- Puzzle: PIN =
6 8 3 9
Tues 05/01
- Travel to Sharp's Point → Click on the light streaks in the sky
- Travel to Main Street → Institute → Inside Building
- CHOICE: Search behind the buildings
- Travel to Far Hall → Staff Passage → Snow's Office
- Inspect:
- Stack of papers (get "Note – Fusang Chamber")
- Scuba Gear
- Inspect:
- CHOICE: Take the plunge
- Choose any wrong tunnel direction (the correct path is
Down → Left → Right → Up → Left → Up) - =⌠BAD ENDING 3 (Select Yes to Return)
- Correct path (from “Note – Fusang Path”):
Down → Left → Right → Up → Left → Up - Inspect: Click computer on far right
- Travel down the tunnel
- CHOICE: Go to Ayako = ⌠Resign End
- Returns to menu
- Open flowchart from Tips & Chart Menu → Jump to the far bottom right "CHOICE" option on Tuesday, May 1st
- CHOICE:Resist
- CHOICE: Let go of Ayako (option is in the middle)= ✅ TRUE END
- From same flowchart tile (far bottom right "CHOICE" option on Tuesday, May 1st):
- CHOICE: Hold on to Ayako (pick any one of them) = 🔄 SPIRAL END
🎬 Epilogues
Open Extras Menu → View all character epilogues (Eris, Ayako and Isla)
Once you have completed all endings and viewed the epilogues, there will be an open door on the main menu with Synesthesia that you can select for some bonus story.
We hope you have enjoyed playing through SYNESTHESIA and that this guide helped you if you were stuck.
SYNESTHESIA is available now on XBOX, PS4, PS5 and Nintendo Switch. A review code was provided by Ratalaika Games.
