Top similar games like ROG CITADEL XV:

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.

ONCE / однажды 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.

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.

First person shooter game based on the first part of the Spellbound series of books. You play as Damitri with his ability to use ice magic. The player will use snowballs and icicles to defeat enemies. They will use Laura's song or scream to heal yourself or hurt foes. 14 stages 4 bosses and 3 modes.

This prologue was created to present an overall concept of the main game through a pair of gameplay hours to introduce you to some of the game’s mechanics, creatures, and ideas.

Within the Cosmos is a sci-fi RPG. After awakening in a secluded star system, you soon discover a fractured human society grappling with an emerging android threat. Explore planets, uncover mysteries, and navigate differing philosophies. Your choices will shape how the story unfolds.

As a university student caught in the middle of a war, can you make it to the safe zone? You can move quietly and survive, or draw your weapon and join the fight. But your weapon isn’t as sharp as a soldier’s. Your choices will decide your fate. Will you reach Plosk?

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?

Lost Voice is a story-based first-person sci-fi adventure game with strong action elements, puzzles, and unique gameplay mechanics.

Rusty's Day Off is a stylized FPS with puzzle elements in which you play as Rusty, a janitor, facing his own rogue robots. You'll have to fight, solve puzzles, and jump & run all over the place to get through this day.

AFTERGLOW - is an adventure game set in the post-war nuclear winter of 2058, where energy, weapons, and mods are valued above all else.

Action shooter with story elements.

ORPHEUS: Tale of a Lover is a fast-paced FPS experience with a touch of absurd comedy. Join Orpheus on his quest to reclaim his beloved wife amidst a bureaucratic hell. No pun intended.

Cyberdelic is an immersive FPS - Use a combination of weaponry to pierce hostile shields, armour and flesh. Swap out cybernetic components to best suit your combat encounters. Explore an interconnected environment acquiring additional tools to your arsenal.

Project Remedium is a story-driven action shooter set inside a human body devastated by illness and bad circumstances. It's a post-apocalypse of sorts, a really tiny one, but for a nanobot named Nano+, the body is a whole world. So he is hell-bent on fixing it with his guns and a unique grapnel.

Ali, who lives an ordinary life, loses all the happiness and peace he once had in a single day. And with a glimmer of hope, he begins searching for the peace he can no longer find in this world — for himself and his little sister.

Aliens are decimating New York City, only you have the technology to survive. Be The Weapon.

The Outer Worlds is an award-winning single-player RPG from Obsidian Entertainment and Private Division. As you explore a space colony, the character you decide to become will determine how this player-driven story unfolds. In the colony's corporate equation, you are the unplanned variable.

First-person action game against hordes of alien intruders.