Top similar games like Tunnel:

Carcerem is a realistic first-person horror game. You are sent as punishment for a crime into an ancient labyrinth. Solve puzzles and find mysterious items to escape from this place.

Search a dark bunker for a missing brother. Solve puzzles, uncover hidden clues, and survive terrifying encounters in a tense, immersive world.

This cave diving expedition was a bad idea. Your heart is racing, lungs are starving for fresh air, and this burrow never seems to end. Keep crawling.
 Dédale is a horror game that plunges you in a cave diving expedition that is bound to go wrong.

The last scenery you faced was a quite unfamiliar hotel office. Leaving all the uncertainties behind, you have to perform significant or insignificant tasks from here on out. -256 is a pixel graphics first-person mystery hotel walking simulator.

Tezcatlipoca is inspired by classic retro horror games with tank controls, like Alone in the Dark, Silent Hill, and Resident Evil. However, unlike those titles, while the game features enemies, combat is not a central feature.

A first-person survival horror game where you play as Riley, a night guard trapped in an abandoned summer camp. Explore, solve puzzles, and uncover the mystery while escaping a relentless creature that hunts you in the dark.

Something strange is happening in the newly discovered tomb. One of the archaeologists went missing during the exploration and even a search party was not able to help. Will you find her? What is happening in the dark depths? And are you really the only one here?

Dive into a chilling adventure where horror meets imagination in this first-person thriller. Picture yourself in a maze of puzzles, where the story unfolds based on how you see it. It's not just a game; it's your own twisted journey.

The most important thing in the dark is what you can see and what remains unseen. A first-person point&click about exploring dark forest and chasing the star tower.

The Door in the Basement is an atmospheric pixelated horror game set in a mysterious subterranean world.

Uncover the dark secrets of an abandoned house as you search for your missing kittens in Broken Tails, a psychological horror exploration game. Use your stealth and wit to evade malevolent beings and unravel the disturbing story of animal neglect and other dark themes in this atmospheric experience

KATAVATIS is a first-person metroidbrainia about descending into W.A.R.P., an abandoned deep-sea facility built as a last resort to find a solution to save our dying planet.

First-person atmospheric horror mystery with retro-inspired visuals. Spend several days on a small isolated island in the North Atlantic, settle in an old cabin, explore an abandoned observatory, and operate rustic equipment to do one final reading and uncover what lurks in the dark... and beyond.

A psychological horror walking simulator set in an endless flooded pool. Explore liminal corridors, notice subtle anomalies, and endure the growing tension as you search for an escape.

You are trapped in a never-ending street loop. Observe your surroundings carefully and identify anomalies. Make the right choice at the end of each street and try to escape the loop.

Investigate an abandoned server frozen in time. Explore liminal, blocky spaces, uncover strange anomalies, and piece together what went wrong. The deeper you go, the more the world shifts, watching and reacting to your presence.

Explore unsettling, dark locations in a first-person psychological horror adventure. Restore power grids, solve environmental puzzles, and interact with physical objects to navigate through the dark—where sound is your only guide and greatest threat.

A first-person light psychological horror exploration game inspired by the Backrooms, Poolcore, and liminal spaces. Explore corridors, pools, wild fields, and rooms, observe environmental clues, solve mechanisms and rule-based minigames, and find a way out of the Frontrooms.

Lin Shanhai, a reclusive yet brilliant detective, solved major intricate cases in the 90s, compiling vignettes into the acclaimed Lin Shanhai Case Files through his unparalleled deductive skills, earning legendary status.

Immerse yourself in poolcore-inspired vibes as you explore a vast complex of mind-bending liminal architecture straight out of your dreams. Navigate through a facility filled with obstacles and puzzles, venturing into depths that descend far below the rippling, chlorinated waters.

Trapped in the endless halls of a pharaonic tomb. Watch every change, then choose to step forward or turn back. Each decision shapes six cursed seals: edge closer to freedom or lose them all in a suffocating psychological horror.

The Letter: Classic Edition is the ORIGINAL experience from the classic title "The Letter", with a few changes and additions. Relive the Wii U game that gathered so much hate it became a cult classic. Embark on a creepy narrative driven tale about a boy in search of his missing father.

Place your faith and embrace the Void.

"Abyss of Light" is a narrative-driven sci-fi adventure game. In this story, you play as a stranded interstellar colonist who crash-landed on a mysterious planet and struggles to find a way home.

Exploration. Silence. Echoes. Wander a shifting pyramid where rooms change and reality bends. No monsters, just atmosphere, isolation, and subtle unease. Uncanny, immersive, and unsettling. Solve light environmental puzzles across 8 levels. Experience the pyramid alone - empty, yet somehow present.

A first-person psychological puzzle game set in Eastern Europe, 1999. Explore a surreal black-and-white world, decipher an invented alphabet using a reality-altering mask, and unlock the story letter by letter.

A lightweight psychological horror and a walking simulator, where the player needs to carefully observe the surroundings to succesfully flee from this wretched place.

A short horror game where you pilot a submarine to collect samples on the crushing depths of the ocean.

Retro survival horror inspired by Japanese folklore. Explore a cursed village, uncover its dark truth, and face deformed creatures in direct 2D fighting-style combat.

Every light you replace makes the house a little brighter. But something inside prefers to live in the dark. And now, it knows you’re here.

You overslept at work, and when you woke up, everyone was already gone. The office is eerily empty, and strange anomalies seem to have taken over. Explore the office, gather your 29 items, and go home.

Descend into Echoes Beneath, a chilling first-person psychological horror game where your choices leads to multiple ending that reflect your moral compass. Play as Xavier, a sewer inspection leader for Brilliante, crushed by medical debts, facing a deceptively simple job that unravels into terror.

In Anomalist’s story, you and Finn chase an anomaly on a planet, experiencing the mood swings of a mysterious entity that devours victims with mind games and imprisons them in its own dimension. Your choices lead to different endings