Top similar games like Cobalt System:

Explore mysterious counter-zones and brave dangers to discover priceless treasures buried beneath the ruins of Atlantis in Atmospheric First Person Shooter with a fresh graphic style and hand-crafted 2D animation.

You’re an Operator in a covert underground facility, researching advanced military and alien technology. A routine day takes a sinister turn... Fight hostile creatures, explore alien corridors, and uncover the mystery as you struggle to survive

Embark on a distorted journey as Voidwalker, battling chaotic entities and unraveling secrets to save your universe. With retro graphics and the Quake engine, brace yourself for intense first-person shooter combat.

As part of the elite Rhino Squad, you must spearhead Earth’s military invasion of a hostile alien homeworld. But, in this desperate war for humanity’s survival against an unrelenting enemy, you may discover that the only way to defeat them...is to become one of them.

Vertigo 2 is a single-player VR adventure. Explore the depths of the vast Quantum Reactor as you descend to finish your journey home.

COVEN is a hyper-violent retro FPS where your path of vengeance will take you across time and space. Destroy your enemies and eat their flesh.

Savage Gears is a violent, single-player alt-history Africa Cold War shooter. Armed with an Iron Fist and an arsenal of devastating weaponry, you play as Ero Lei'Bourne, a S.P.E.A.R. operative, in the middle of a dangerous conspiracy.

You are a security officer aboard Helios 2-79A, awakened to find your crew missing and your ship docked inside a mysterious station. Explore eerie environments, search for your team, and uncover the truth in Abandoned, a psychological thriller filled with suspense and unsettling discoveries.

Super Bio-Man is the ultimate gunslinger and the guardian of our galaxy. Using his arsenal and metal fist, he shows the invaders from outer space - who's the boss here.

Step into the boots of Grayson Hunt after a crash landing on an old resort planet forces him to make a hard choice: survival or revenge. Execute masterful kills with Bulletstorm: Full Clip Edition’s unique combat system that rewards you for performing the most creative and deadly kills imaginable.

Fight the hordes of mutants that enslaved humanity through a concrete brutalist hell in this FPS with modern graphics and old school gameplay.

A new action-horror story set in the iconic Alien universe. Play as rogue Colonial Marine Zula Hendricks, sent to investigate a blacksite on Purdan. Fight and survive using your skill, reflexes, and determination against a deadly Xenomorph incursion in this gripping first chapter of a two-part saga.

Become the ultimate badass in Trepang2: A gory, action-packed FPS set in the near future. Unleash all hell on your enemies, dodge bullets and leave a trail of destruction in this hardcore and frenetic shooter.

Nightdive Studios and 3D Realms have joined forces to bring you SiN: Reloaded!

Skate, dash, and rail-grind your way around the city while blasting through enemies with your vast arsenal of weapons, abilities, and gadgets. Keep your score multiplier up by eliminating enemies with both style and ruthless efficiency. The higher your multiplier, the more powerful you are.

A retro first-person shooter inspired by classics of the '90s mixed with a dungeon crawler. Fight your way through randomly-generated levels and uncover the secrets of an abandoned research station for interdimensional travel.

Shrine II is a retro FPS game with a focus on atmosphere and exploration. Explore a nightmarish world and battle great bosses where the surprises never end...

Take control of a mechanized pilot and its Mech. Blast through Colossal Machines and secure the last remnants of life inside a dying God.

Dino Trauma introduces you to a secret laboratory somewhere in eastern Europe where gore and dinosaurs aren't unusual things. Retro FPS inspired by the '90s legends.

Aliens Versus Predator Classic 2000 features the Colonial Marine, Alien and Predator Campaigns and the frenetic single-player Skirmish mode from the original title: Alien Versus Predator Gold Edition, which was released to massive acclaim in 2000.

Grab your sawed-off, cast some sigils, and face the never ending nightmare head on in Venison County. Blast your old neighbors into undead venison giblets, master weapon specific active reloads, and limitlessly combine slain cultists' sigils for their sinful buffs (if you can withstand God's wrath).

Inspired by the original DOOM, this is a grounded, no-jump boomer shooter. Play as Madeline, a thief invading a desolate, abandoned complex to claim a legendary prize. Battle through a legion of killer rogue-AI-infested toys, find secret prizes. No mercy. Pure old-school carnage.

An assassin with a rise in his career to kill his target is out on a murdering spree. He is out there with alot of motives but his main motive is two eliminate all targets and who ever may get in his way.

Escape from the Alien, find necessary items that allow you to escape and cure the virus, and bring hope to humanity, yourself, and your family.

The chaos will never end. Decimate your enemies, fight against hordes of invaders who know no mercy. Dozens of enemy types await you. Old comrades will stand in your way. Shoot first and never ask questions.

Prepare for terror in this ground-breaking classic old-school FPS. Following the destruction of Time you are left to battle in this horrific hellhole of multilevel interconnected missions populated by gruesome grotesque creatures.