Top similar games like UNDERTUNNEL:

As Subject 247 of a mysterious laboratory, you are tasked with stepping through time portals to retrieve requested artifacts. Hunt dinosaurs, survive empire of Middle Ages, gather critical materials in streets and navigate a neon lit dystopia. Will you obey scientists or start your own rebellion?

Deus Ex: The Fall is set in 2027– a golden era for science, technology and human augmentation, but also a time of great social divide and global conspiracy. Powerful corporations have seized control from governments and command the drug supply needed by augmented humans to survive.

Approximately 20 years after Deus Ex, the world is only beginning to recover from a catastrophic worldwide depression. In this techno-nightmare, take part in the dark struggle to raise the world from its own ashes.

'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!

Dark, Corrupt, buried deep in Secrets and Lies. Your prospects were low until the Corporation gave you an offer. A job too easy, too good to be true... it was!

The year is 2052. The world's economies are close to collapse and the gap between the insanely wealthy and the desperately poor grows ever wider. Worst of all, an ages old conspiracy bent on world domination has decided that the time is right to emerge from the shadows and take control.

The Atomic Heart sequel brings you back to the retrofuturistic universe, full of new characters and dangers. The game immerses you in events on a global scale and raises the bar for what an open-world action RPG can do.

This is Deus Ex Remastered – the definitive version of Ion Storm’s legendary cyberpunk immersive sim, modernized with visual upgrades, modern enhancements, and quality-of-life improvements for a new generation of operatives.

A first-person adventure. Explore endless concrete and metal megastructures. Use parkour and guns to fight your way through. Experience deep Immersive in dark, minimalist cyberpunk world.

In a dark Cyberpunk world, you (and up to 3 friends) wage war against the all-powerful Federation in this Source-powered FPS/RPG.

A puzzle-adventure game set in a gritty Cyberpunk themed world. Unravel the stories hidden within the city!

Trapped in an underwater base at the bottom of the Mariana Trench, you uncover a chilling truth: previous expeditions never returned. Solve the mystery, survive the abyss, and escape before it claims you too. A sci-fi horror where the depths hold more than just darkness.

You play Adam Jensen, an ex-SWAT specialist who's been handpicked to oversee the defensive needs of one of America's most experimental biotechnology firms. When a black ops team breaks in and kills the very scientists you were hired to protect, everything you thought you knew about your job changes.

Find your way to master the seven deadly sins in a constantly looping world that will force you to experience different realities.

A starship is devouring itself. Explore its depths under crushing gravity. Scavenge for gear, solve magnetic block puzzles, develop your skills, install cybernetic implants and fight or outsmart the robots still patrolling its halls.

Android Simulator: Prologue is just part of the amazing adventure that awaits you in the full version of the game. Take charge of a spaceship colony, flight route and manage the right water balance for plants, oxygen level, and spacecraft parameters to securely deliver the colonizers.

Explore a fractured sci-fi world filled with alien ruins, hostile creatures, and mysterious technology in this atmospheric action RPG adventure.

Enter an immersive sci-fi first-person action experience that will test your abilities and push your limits. Engage in fast-paced combat. Blaze through obstacles. Find the light past the veil. Reveal the secrets of the maze.

Stop the enigmatic crisis of the disappearing city. Fight or troubleshoot your way across warring factions.

An immersive first-person-melee RPG where you create your character and fight, talk or sneak your way out of confrontation. From concrete buildings to futuristic environments - start from the bottom and make your way through narrative missions to the top of the city in a bid for control.

Cyberscape is a classic FPS with RPG elements, inspired by the best traditions of the 90s. It features open-ended level design, multiple playstyles, character upgrades, an inventory system, full modding support, and a built-in level editor.

E.C.H.O.S is a narrative-driven first-person sci-fi game. Several centuries after Earth’s civilization was destroyed by an unknown cosmic force, humanity begins to awaken. Journey through virtual and real worlds, uncover the truth of a new age, and decide the future of civilization.

Experience Atlas’s journey in the future world to save his planet. Beat the enemies with unique mechanics and explore a huge open world in this action RPG.

3D First-Person Adventure with exploration and uncovering secrets of the areas surrounding your crash site.Collect all necessary materials to craft a temporary home and hopefully find a way to rebuild your Spacecraft and return home before it's too late.The Universe is in your hands!

You play as Adam Jensen, an experienced covert operative operating in a world that despises his kind: augmented humans. Choose from an arsenal of state-of-the-art weapons and augmentations to build your playstyle, and decide who you'll trust, to unravel a vast worldwide conspiracy.