PS5
The platinum is decided long before the ending. In the maze, temple, citadel and antechamber, take the solution that lowers corruption. Each has a trophy of its own and keeps Noah on course for Mens sana. Finish examining an area before crossing into the next one: the game uses autosaves and has no chapter select.
Roadmap for the 28 PS5 trophies, with route choices that close as the story moves on. The final step contains spoilers.
- Mode: Single-player PS5 campaign playable offline.
- Corruption: Stay below the threshold and choose the investigation solutions that reduce it.
- Collection: Find all four energy upgrades and all 17 evolutions.
- Chapters: No chapter select: check unlocks before leaving each area.
Set up the run and restore the drawing
Lower the corruption rate in settings if you want less pressure. Leave free clue analysis off so analyzing clues spends energy and lets you recharge with lichen for Addicted. At the dining table in chapter one, check the papers and turn over the receipt. Recover all five pieces and reassemble Mei’s drawing before moving on.
- Check the corruption meter in the Control menu regularly.
- Rotate and inspect objects for sub-clues, including the items in the office.
Follow the frequency through the maze
At PIT station, start the drainage deduction in the control module. Examine the strange matter and pipe to identify the blockage, then replace the pipe with the spare from storage. Once the transfer module has drained, analyze the hybrid mucus sample. Use its frequency to pick up the trail through the current and leave the totem route alone.
- Check for Against the tide when you reach the exit.
Bring the temple network back online
Drop from the nave scaffolding onto the brittle stone to reach the reservoir. Analyze the cylinder and use it to repair the mechanism. Keep the Unknown Alloy and Electrum frequencies handy: they locate cubes and help prepare them for the plates. Complete the circuit through the sanctuary, flooded chamber and Ocean-I lab. Before leaving, use the battery from the tent in the tombs to power Anastasia’s laptop.
- Restore the seal using the network and avoid the crown ritual.
Reach Shamash without killing the guardian
In the citadel, collect the metal quoits at the Ocean-I camp and in the House of Words. They open the forge. Process the zirconium and carry the orb to the slab in the Tower of Shamash to hypnotize the guardian. Before climbing, use the laboratory across the gap to work on the stele and frequencies. Human Blood, Macroplankton and Shoggoth Heart together reveal the invisible tentacles.
- Check off Linguist and Beyond the senses before moving on.
Power all five plates and reach the ending
In the antechamber, analyze the prayer pillar and combine its two frequencies to open the engraved door. Engrave Kelendhar’s symbol on the Star of Shamash, use its teleport and retrieve the metal you need for the plates. Power all five before solving the constellation sequence. At the final choice, keep corruption low and give the device to Elsa or use the Star to prevent the awakening.
- Before opening the door, make sure every one of the five plates is powered.
Trophies to watch
Against the tide
Cross the maze without reassembling the cursed totem.
Drain the transfer module, then follow the mucus frequency without using the totem on the pedestal.
His master's voice
Reach the star without killing the guardian.
Bring the zirconium orb from the forge to the tower slab to pacify the guardian.
Better than Pandora
Open the door without letting the matter spill out.
Power all five plates before opening the portal.
Mens sana
Finish the game without exceeding the corruption threshold.
Spend energy on analysis and take the corruption-reducing path at all four investigations.
A new watcher
Prevent Cthulhu from awakening.
Stay below the corruption threshold and choose to prevent the awakening.
Frequently asked questions
Do I need both endings?
The platinum needs the ending where you prevent the awakening. The other ending has no trophy of its own.
Do I need to analyze every clue?
Thanks Key stops at 25 analyses. The full sets to complete are the evolutions and energy upgrades.
Can I return to a finished chapter?
There is no chapter select. Finish the local objectives before its point of no return and do not assume the last autosave can take you back.
Sources
- PlayStation Italia – edizione PS5 e modalità offline
- Nacon e Big Bad Wolf – lancio digitale e finali
- Spire of Completion – indagini, finali e collezionabili
- Exophase – lista PS5 e sblocchi
Trophy lists
Buying the game
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