By: Amr Hassan
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Immerse yourself in the first-ever blend of classic Sudoku and first-person horror as you descend deeper into the unknown.
PC (Microsoft Windows) · Dec 1, 2025
Worldwide · Exact date · Full release · IGDB
Catalog sources
20 achievements available.

Hidden until unlockedSteam

Complete the campaign.
LockedSteam

Complete the campaign flawlessly.
LockedSteam

Exit the conduits layer.
LockedSteam

Complete 4 custom runs.
LockedSteam

Complete 7 different daily runs.
LockedSteam

Descend beyond 8,000 meters in endless mode.
LockedSteam

Hidden until unlockedSteam

Hidden until unlockedSteam

Complete a non-custom flawless run under 40 minutes.
LockedSteam

Exit the foundation layer.
LockedSteam

Perform 7 greedy saves.
LockedSteam

Complete a custom run that starts with at least 58 missing cells, has all PHASOR abilities enabled, and includes no spawns except for one recharger.
LockedSteam

Hidden until unlockedSteam

Hidden until unlockedSteam

Exhaust all gates by initiating global lockdowns.
LockedSteam

Pickup a total of 20 navigators.
LockedSteam

Complete a non-custom run without recharging once.
LockedSteam

Exit the ocean surface layer.
LockedSteam

Hidden until unlockedSteam
Community notes