Top similar games like Sin-Cay:

Absylon7 - is a first-person survival-shooter with psychological thriller elements, in which you will have to find the culprits of a large-scale scientific disaster and save your family from death.

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.

41 Hours is a first-person shooter dramatic game that follows the narrative of Ethan, a workaholic scientist in search of his long-lost wife. This is a one-hour prologue of the incredible, action-packed journey.

The Time Plague is a steampunk first person shooter with a great story and lots of locations to explore. You play as a journalist drawn into a mysterious world of time travel and adventure, learning to handle dangerous ray guns and other strange technology to overcome the devious Morlocks.

Can you get out of the auto-generation insane maze alone or with friends? The maze is full of useless items for survival, what if they won't help you, but the monsters will overtake you!

A portal-like puzzle game with stealth combat and unique missions for each level. It is the perfect combination of puzzle and FPS, with stunning graphic and great storyline to back it up.

The Crisis Zone is a sci-fi exploration game with elements of horror in a dramatic atmosphere. Explore this open world and find information about how you got here and how you can escape from this quarantine zone. Avoid the monsters and security drones patrolling the territory

In 2099, Earth is under alien robot rule. They take you into their ship to test you, but why? As a memory-wiped cyborg, your mission is clear: stop the invaders and uncover the truth. But are these beings truly aliens, and is your mission what it seems?

Luna Abyss is a single player story driven action-adventure with fluid platforming and bullet hell combat. Follow the journey of Fawkes, a prisoner of Luna caught between a cryptic prophecy and their prison sentence.

Atlantis Adventure is an Action Adventure VR Game.The game can run on both PC and VR platforms.Hunting monsters from different ages in search of Atlantis treasuresJoin the Great and Immense Adventure !!!!!

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.

Transported back in time, you must help Tiki, an ancient mech beetle, escape the apocalypse. Your puzzle solving skills will be put to the test as you attempt to collect the fragmented pieces of his tablet which will empower him with the ability to stop any and all world-ending events.

LOST CONTACT is an exciting realistically designed space station shooter. As the main character of unflinching Nil Heard you will experience soul grabbing horrors of facing the mutant monsters of the Universe.

Honored is a stealth, action-adventure game where the player uses various gadgets and powers to knock out or kill enemies in order to escape and take down the Egyptian empire.

A sci-fi action-adventure game in VR.

Forgiveness is a first-person ambient horror fps game set in the late eighties. After divorcing his wife Emma, Ben moves into the old house where his mother Amanda used to live. While moving in, he realizes that some strange things have been happening in his mother's house.

A first-person dystopian sci fi-liminal adventure. In this mission you are QUO, an autonomous robot explorer. Trace, probe and delve into an unexplored reality full of enigmas and dangers. Now it's your turn.

CuberPunk 2090 is an adventure game set in the village of Cuberovka. You play as Vova, a gamer and former president of Cube-States.

Explore a city thrust into disarray by an unknown event and survive the hordes of mutated abominations that lurk at every corner. You’ll have to fight through enemies & bosses, scavenge loot and survive the hostile city.

Join the Project Mist in this new open world survival horror. Explore an enigmatic Island. Fight against colossal monsters. Build and defend your base while crafting traps, siege weapons, upgrading your gear and Gravity Gun. Survive or perish while unraveling the secrets behind the giant wall!

Fight viruses, survive insane waves of rays and bullets, and find out more about the inhabitants of the Network in this mix of exploration and 3D bullet-hell/FPS game.

Take on the greatest futuristic, apocalypse adventure with Abyss.Are you ready to save the world, from the invading creatures? Prove it in Abyss, by Axid Studios.

Become a master MI6 saboteur, and earn your name as the ministry's most important asset on the Moon in this 1st-person shooter VR sci-fi epic! Follow the orders of your handler, or explore and find new weapons and defenses! Do whatever it takes to complete your mission!