Top similar games like Corridor Sigma:

Swing, dash, and leap through a relentless storm of bullets and laser beams. Armed with shotguns and explosive firepower, eliminate foes in a thrilling ballet of destruction. Master the power of the grappling hook for unstoppable, spider-like agility. Can you dodge, weave, and strike with precision?

BRUTAL First Person Shooter focused on action, gore, and exploration. Fueled by adrenaline-pumping trap-metal soundtrack.

After awakening in an abandoned underground complex destroyed by a failed experiment, you must fight to survive and uncover the truth behind Live-D Corporation. Use your surroundings, manage your resources, and find a way out alive.

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!

Nevedomo is a dynamic arena first-person shooter with a Zetlex robot. Future. Two warring factions Bullets and Rockets participate in deadly competitions under the leadership of the Texer Force Corporation in order to capture the world's resources. Have a good fight!

Flat Mars is a single-player sci-fi horde FPS. Shoot your way through millions of demons and tear through the terrain with an arsenal of futuristic weapons to claim powerful relics.

Born from classic arcade top down shooters like Smash TV and 80’s action thriller The Running Man! Welcome to Kill Cast Show! An FPS bullet raining shooter where you must survive endless wave of mutants. It's the gameshow of the future where contestants fight for survival.

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.

So.... got what it takes to be a X Slayer?!?... 7 weapons, blood and gore, twisted music by Seepage & Psyko Syndikate, and maps where you can blow up everything. its awesome. started making it in 1998 in high school with my friend and now im 37, so i have life experience now.

PROPAST is an old-school first-person shooter set in the brutal underground bunkers of the GTN - a Cold War regime that survived nuclear apocalypse by sealing itself below. As MO-535, an immortal engineer, break the cogs of oppression or become the Regime’s most feared enforcer.

A retro first-person shooter inspired by classics of the '90s. Fight your way through vile creatures and uncover the secrets of an abandoned research station for interdimensional travel.

MARKET GARDEN lets you relive the golden era of WW2 shooters, bringing classic, old-school FPS action back to its roots. Experience the epic airborne operation MARKET GARDEN in a game that pays tribute both to the genre’s finest moments and the real historical events.

Take on the role of a journalist trapped in a ruthless quantum universe where you'll need a diverse arsenal and the manipulation of quantum physics to survive and progress. Quick thinking, speed, and precision will be essential to surviving in this retro style physics FPS

A short single player fps shooter game. Simply take your weapon and make it to the end. Enjoy the chaos and action.

2032 is an Indie game with unique features. By 2032, 50% of global vegetation had already been completely consumed by a pest called P-X. A world war arises for basic resources for survival. Spider, a renowned soldier of the armed forces is summoned.

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.

Rip out organs and equip them in your own body. Fight biopunk monsters and drugged-up space bandits. You are a Gajeshian Cultist: A near-mythological being built from the bodies of long-dead saints.

Explore the gloomy rooms of a sci-fi base as a doomed marine, the sole survivor of the portal experiment. Save humanity as you did in the 90s with your trusty shotgun, make your way through ominous corridors inhabited by the shadows of sinners and evil spirits.

Hatchpunk is a retro first person shooter with unique visual style. You have a gun in one hand and a chainsaw in other hand. So come out and face the hordes of monsters that have invaded Earth. Use grapple hook for efficient movement. Kill enemies in close combat with chainsaw to regain your health.

Project Reboot.

Waking up in Terra-Nova, you find a dying colony ruled by cybernetic drones and a rogue machine mind. Necrology is a fast, brutal retro FPS inspired by the 90s. Grab your shotgun and rocket launcher and fight your way through the metal horde.

An action-packed sci-fi FPS set aboard a massive spaceship, where unstable gravity changes the way you fight and the environment becomes a weapon against your enemies.

You like Sci-Fi games? You like FPS? You like games with secret items, collectables? You like short Indie games? Then you will love this game! The game takes place in a big mothership captured by aliens. Your mission is to kill all the aliens, and blow up the mothership.

A dark retro-FPS born from a solo AI-creation experiment. Blast your way through a vampire-ruled station, slay twisted enemies, and uncover the secrets of the VɅΔ Protocol

Bulletstorm VR is a brutally creative action shooter that puts players in the ass-kicking boots of the hotheaded space mercenary Grayson Hunt as he shoots, kicks, and leashes all he can see across a hostile world in Virtual Reality!

BRUTAL shooter focused on action, gore, and old school death metal music. Unleash your overpowered arsenal to goreblast hordes of ferocious beasts on your way through ancient dark forest.

IronWood is a First Person Shooter that takes inspiration from many of the older games that first popularized the genre, like Blood, Quake, and Unreal. Travel across a variety of levels, find powerful weapons and artifacts, and use them to your advantage against the enemies prevalent in each area.

You are Eleanor, a space station engineer who made the choice to join the crew of the Aurora 9. however, 200 cycles into your 500 cycle contract, your crew mysteriously disappeared without a trace. It's now up to you to find your missing crew.

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

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.

HEADCUTTER is a sci-fi spaghetti western FPS with brutal combat, destructible environments, and lots of gore. Track targets as a space bounty hunter, explore maps with multiple routes, and use the crunchy gunplay to cut their heads off so you can get your money!