The Ones Above await You. They are watching. FIND THEM!
Make your way through the facility. Ascend through its abandoned corridors and uncover the chilling truth behind this hidden bunker. Explore procedurally generated rooms, each holding fragments of a forgotten story—items that may help you survive and secrets that whisper of a past buried in darkness.
Face terrifying creatures driven to survive and Piece together the pieces of what was left by the ones before you.
Explore this facility and avoid the creatures created here.
Scavenge for items which may become your only hope.
Unravel what awaits in the shadows.
Multiple Endings to explore and find.
Navigate unique rooms, each concealing its own unsettling mystery.
Encounter multiple unique enemies.
Make your way to the top. Will you uncover the truth? Or will THEY uncover you first?"
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Protocol Nadir is completely FREE to play. You can download and play it without any purchase.
Minimum: Minimum: Requires a 64-bit processor and operating system OS: Windows 10/11 version 21H1 Processor: INTEL CORE I5-6600 / AMD RYZEN 3 3300X Memory: 8 GB RAM Graphics: NVIDIA GeForce GTX 1060 / AMD Radeon RX 580 DirectX: Version 11 Storage: 1 GB available space Recommended: Recommended: Requires a 64-bit processor and operating system
Protocol Nadir is available on Windows PC.
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Protocol Nadir was released on May 30, 2025.
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