Top similar games like OuterRealm:

Perilous Warp is a fast-paced indie retro-shooter inspired by the classic 3D-actions. Communication with a distant space colony has been lost, and you bravely step into the teleporter with the desire for glorious adventures. But do not expect to win in a heartbeat!

V.R.G. is a FPS cross between a retro-style and a modern-style , Defeat enemies and get combos to improve operability, and eat scatter pieces of meat to recover.

Exocide from Apogee (Duke, Turbo, Prey, Max). Humans made superbugs to fight as soldiers. And the bugs turned against us. You're the last Handler, a human+AI robotic team with 4 total arms capable of welding 4 weapons, or one HUGE gun. Stop the super swarms before total human extinction.

BLOW-UP: AVENGE HUMANITY is a single-player fast paced first person shooter campaign where you take control of an industrial robot rewired by the last human being to violently dispatch the alien race accountable for Earth’s destruction. Are you ready to become the ultimate avenger?

The Nightmare Catcher is a sci-fi FPS where magic clashes with science. Wield ranged or melee weapons, toss grenades, and harness mystical forces granted by the Aztec gods. Utilize technology to craft items, develop powerful abilities, and shape your destiny on an unforgettable quest.

Dreadfire is a thrilling ultraviolent FPS game. Shred your enemies with a large destructive arsenal. Destroy them until none remain. They won't stop until you're dead.

After her daring escape from the planet of the Brainsuckers our heroine Zortch immediately crashlands on a desert planet and once again finds herself in the middle of it: caught in a conflict between the human colony, the waspy natives and a bizarre cybernetic cult that worships mites!

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.

VR meets old school FPS. Blast, bludgeon, jump, and climb your way through an ancient temple that has been overrun by augmented undead minions. Set in a world with a unique aesthetic and horror elements.

The Citadel is a brutal first person shooter, and a love letter to classic games such as Marathon, Doom and Wolfenstein 3d. Descend into the depths of a dark citadel, and fight through 6 Episodes and 30 levels of action packed with 6 challenging bosses. Go forth, Martyr.

Conviction is a dark fantasy, DOOM-like first person shooter where you play as a man with nothing left to lose as you face off an onslaught of cultists and demons in a world enshrouded by darkness. Prepare to show your conviction…

Dark history about OSIRIS corporation, which performs experiments in the field of teleportation of human souls to the Heaven on the artificial planet G6. Inspired by Deep Dark Dubstep music.

PURE FUCKING RAGE, A game where you survive waves of enemies, collect their blood, and grow stronger!

Carefully cut and shoot your way through undead or other unique creatures in a dark-fantasy world fps. Do this to remove the evil, twisted schemers from taking control of the lands below the Sky-Gate. After that, return gloriously in your home capital as it is safe once more.

MUTATION PHASE is a horror-shooter with a first-person view, which narrates the consequences of experiments with sound waves. You have to survive among hordes of mutants and get out of the danger zone.

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.

Nigel's office building is under attack. Get him out of there using his military skills. Leave nothing and no one behind.

Traceback is a next-gen ultra-realistic bodycam shooter built with the power of Unreal Engine 5. Make every move count — your choices decide who survives. Prepare for intense bodycam firefights where precision matters, and every decision shapes the fate of your mission.

Zero is a fast-paced, permadeath first-person shooter that blends roguelike structure with soulslike difficulty and powerful melee combat. Set in a brutal cyberpunk world with a stronger focus on close-range melee attacks over guns, survival relies on aggression, agility and mobility.

You are an Orderlord — a mutating meatball cop battling cultists in a surreal post-human dystopia. Evolve your form, investigate an intergalactic conspiracy, and prevent cosmic annihilation in this top-down horror shooter.

You are a TEC Engineer from Earth ordered to retrieve and return sensitive data from the TEC Mining Facility on Titan. On arrival, you discover that the facility has been invaded by beings from another realm. Contend with these abominations as you complete your mission and escape Titan.

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.

Maze slaughter is a fast paced, rogue-lite first person shooter in a maze with piling bodies. It's like running man, in an american gladiator arena setting. Loud, gory and funny.

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.

These zombies chose the wrong day to get out of their mom's hot spot. Kill them and survive to waves !

Do you feel that some current horror games are scary but without action, while others have action but not scary? Do you miss the classic survival horror where fear and action were in perfect harmony? Now this full experience is back in the Dark Dimension!

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.

Become a Hired Gun. The money’s good, the dog’s loyal, and the gun’s reliable. Embark on a fast-paced, violent, and thrilling FPS set in the darkest reaches of Warhammer 40,000’s most infamous hive city.

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.

Toaster Arena is a first person multiplayer arena shooter where players battle it out on different maps and game modes. Use Advanced movement to traverse obstacles and gain the advantage on the battlefield.

A classical FPS based on movement filled with metroidvania elements and power ups to find by exploring the interconnected levels.

Fred Fuches Around is a violent FPS video game about a retired super soldier who goes on a rampage, purging the current government because they unjustly killed his family in front of him.