Top similar games like Luna Abyss:

Travel through an overgrown megastructure, and discover what lies beyond it. Metal Garden is a short, atmospheric singleplayer FPS game.

Chemical-Burn is a first person shooter action-adventure set in Hazard City—one of the last few cities on Earth, where the remaining human populations have been placed. Engage in thrilling first person combat as Cindy using a variety of weapons & your dog Buddy. Plan. Execute. Survive. Repeat.

Originally planned as a section of the Highway 17 chapter of Half-Life 2, Lost Coast is a playable technology showcase that introduces High Dynamic Range lighting to the Source engine.

Find yourself aboard a giant spaceship in IHAS, a gripping Sci-Fi adventure handcrafted by a solo Ukrainian developer. Experience intense FPS action, mind-bending puzzles, and epic boss battles.

ONCE First-Person Adventure is a first-person adventure game set in an alternative post-Soviet space. As a volunteer, you go to conduct an unscheduled inspection of power plant points.

The Signal From Tölva is an open-world first-person shooter set on a distant, haunted, future world. Unlock savage weapons and recruit robots to fight alongside you as rival factions struggle to discover the source of the mysterious signal. What you discover will decide the fate of a world.

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.

Astral Horizon is a first-person space opera adventure featuring combat with six degrees of freedom. Give orders to your squadmates and find creative ways to approach combat in zero-gravity. Explore epic sci-fi locations as you fight a war to uncover a perspective-shattering discovery.

In The Apollo Project, you must survive against men and nature itself before it's too late. Harness the power of an alien artifact to infiltrate a top secret research facility to save the world from impending climate disaster. Can you make it out alive before it's too late?

Pilot your advanced Trident fighter through a mysterious frontier, where survival hinges on skill, strategy, and an inexplicable alien bond. XERXES:SHADOW - Your mind is the battlefield.

Your weapons are alive! Print creatures and use them as weapons and tools as you explore this Metroidvania FPS adventure. Morph yourself tiny, upgrade, and locate collectibles to advance to the next boss. Explore large non-linear maps and explore an environment woven together with a complex story.

La Quimera is a story-driven FPS set in dystopian future Latin America. In a fractured world where microstates rely on mercenary forces, you are an operative caught in a web of lies and deception. Play alone or with up to two friends geared with futuristic weapons, exoskeletons and combat abilities.

CYBERFARM allows you to experience the authentic life of a Russian village in the year 2124. Dive into both the bright and dark facets of the Russian soul!

Farpost 44 is an Action-Adventure taking place in a 44-hour time loop. Unlock multiple story-paths and endings to unravel the mystery of the Farpost 44 catastrophe where each playthrough is based on your choices and actions.

Action-adventure game with very detailed worlds.

Fight as a space pirate in this sci-fi FPS adventure where you raid ships and gather an arsenal of weapons, gadgets, and upgrades to build your character. Use your gear to hunt down and destroy the four rogue AI who have conquered and occupy this lawless star system.

Descend into the sci-fi action-adventure of Benji Freese as he is forced into a deadly mission by a sadistic computer AI. Scavenge for supplies and upgrade your weapons to shoot your way through intergalactic mercenaries and hordes of undead. Survive the nightmare and find "The Crystal of Light."

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.

Hubris is a VR action-adventure game set in a unique and colourful Sci-Fi universe, with immersive movement options, including swimming, climbing, and jumping. Players will have to gather resources, craft food and upgrade their weapons to fight off alien wildlife, droids, and humanoid enemies.

Join the top-secret mission to defend Area 51, the world's most enigmatic military base. With fast paced action, realistic combat, and a dynamic environment, 'Area 51: Beyond the Wall' will immerse you in a thrilling and challenging experience. Play now and see if you have what it takes!

A secret agent thriller set in a near-future world of spies, technology, and secrets.