Top similar games like Project Nautilus:

FAR FRESNEL is an exploration game where you descend into the abyss of a distant planet aboard an ancient elevator system. As you venture deeper into this forsaken world, you'll uncover the secrets of the previous expeditions.

"Welcome to the end. My end" Manipulate machinery, open secret passages and bypass computers to remember your life, from your first discovery to your own death bed. In this first-person narrative puzzle game investigate a mysterious presence looking for the answer that haunted you since THAT day.

You are in a post-apocalyptic underground vault where every decision carries weight. As you embark on quests and unravel a deep, twisting story, your actions will permanently alter the lives of your fellow inhabitants.

The Honours Project is an autobiographical walking simulator. Enjoy a narrative experience, adventuring through dream-like levels, solving an occasional puzzle and listening to the dark and sometimes comical dialogue that acts as a commentary about being a student and game development.

Help Artificial Intelligence named HAWKING activate an incredible mechanism that can reload the Universe!

A first-person dystopian sci fi-liminal adventure that mixes mystery, liminal spaces and science fiction. In this mission you are QUO, an autonomous robot explorer. Find the trail of the lost crew, dive underwater and investigate a reality full of enigmas. Now it's your turn.

Answer the call from a mining base on Mars as engineer Jack Leary and search for the missing crew. Fort Solis will immerse you with cinematic visuals powered by UE 5 and voice acting of Roger Clark and Troy Baker. Explore the mining complex and reach climax of this narrative thriller experience.

In My Little Dog Adventure you play as a little dog that discovers the world on its mission to find its way back home. It's a short emotional story-driven exploration game that will keep you interested with an immersive story and lovable characters.

As a specially trained explorer in "Deep Crafter", you'll gather resources, design production lines, automate everything, and explore this vast, ocean-covered planet to uncover its secrets.

You are a handyman renovating a massive research facility abandoned after a mysterious incident. The Lift is an eerie first-person simulator with satisfying house-flipping gameplay, a mind-bending story, and a highly interactive world inspired by Soviet sci-fi and the SCP Foundation.

Soar into a gravity-defying parkour adventure. Run, jump, and glide through surreal landscapes and deadly factories on a mission to liberate captive souls.

Explore the story of Kale Vortex in a world where nature thrives — until every step begins to change it.

Stan, a professional diver in the North Sea, is struggling to overcome a life-changing loss during an extended mission underwater. Stuck in his self-imposed solitude, he starts to experience strange events and will have to make the most significant choice of his life...

Gravitational is a VR experience that takes place in an upward future, where gravitational technology is being discovered. Experience Sebastian, a scientist in the apex of collapse inside Gravicorp’s facilities, overcoming not only challenges on your way but also your traumas.

An escape room inspired adventure. Play as an investigator exploring the mysterious disappearance of a physicist involved in a secretive experiment known as Project 7. Explore the mansion, observe carefully, and use your puzzle-solving skills to uncover the truth behind Dr. Hillman's vanishing.

Grab your hoverboard and explore the ancient, mysterious world of AnShi as you glide across caves, large deserts and old temple ruins to discover its secrets. Featuring stunning visuals and an original soundtrack, AnShi delivers a unique, breathtaking experience.

With hi-tech tools, and snarky comments from your holographic assistant Steve, it's up to you to explore the crime scenes, piece together the clues, and find the perpetrator!

'Welcome to Brightville' is an action-adventure immersive sim in which you play as a unique automaton guardian. You will explore the mysterious city of Brightville, where magic and steampunk technology collide!

Hellstorm: Reign is a story-driven first-person shooter game where you play as an advanced soldier from Itopia. In the game, you infiltrate the dystopian wasteland and complete missions assigned to you, all while uncovering the hidden secrets of Itopia.

Prove yourself in the mysterious world of Mithem! Defeat your enemies using your companion while also protecting him courageous during frightening segments. Help Simon to find a way back home and restore a war-scarred world in a tale of friendship, hope and courage.

Plunge into VR on a capsizing research ship, the Triton, where survival means outmaneuvering the water's lethal surge. Freedive through a sinking ship, overcome underwater chaos, and unlock your path to the surface, all while protecting your most precious resource: the breath in your lungs.

The ancient Romans erected their tombs and mausoleums along the roads so that travelers could read the inscriptions on their tombstones. The player will be able to learn the techniques used for their realization in the person of a scriptor titulorum.

Dive into Shipwreck Discovery, the most realistic scuba diving VR game ever made! Explore actual shipwrecks in stunning detail, customize dive conditions, discover marine life, and uncover hidden treasures - all while supporting ocean conservation. Your ultimate underwater adventure awaits! Dive in!

Valley of Shadow is a narrative puzzle game that tells a poignant true story of loss and grief through the discovery of real-life home videos and photographs. Harness mysterious abilities to solve puzzles and heal a broken family.

Origins is a playable short created by the team at Inworld AI to showcase NPCs powered by artificial intelligence. After an explosion in Metropolis, you’ve arrived on the scene as the lead detective. Question witnesses, uncover the mystery, and solve the case. From the creator of The Matrix Awakens.

Visit real caves - like legendary Nutty Putty (with audio guide by rescuer Brandon Kowallis!) - and fictional ones, each offering a different kind of challenge! Step into the underground world in the most realistic spelunking game, where the entire environment is your map waiting to be discovered!

After a galactic portal failure you find yourself lost millions of light years away from home, in a foreign galaxy... With your main propulsion systems disabled you are unable to traverse space, so you try to collect resources you find near you in order to create a galactic portal to return back.

Bring Nature Home! Experience Aquascapers, a single-player and co-op aquascaping simulation that invites you and friends to discover and gather various ornamental resources for your aquascaping projects. Enhance your business and dominate the market!