Single-player games like Operation: Matriarchy
Below are 18 single-player Steam games similar to Operation: Matriarchy, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Operation: Matriarchy page.
Ranked picks
- 1
Humanity Lost
Single-player alternative to Operation: Matriarchy — playable solo, no multiplayer required. Shares Action with Operation: Matriarchy.
Will you save humanity? You are on a mission to find a new planet for humans to inhabit. In this story driven FPS space opera you will explore open world planets, find weapons, upgrade your character, and befriend alien species.
- 2
Dusk 12
Single-player alternative to Operation: Matriarchy — playable solo, no multiplayer required. Shares Action with Operation: Matriarchy.
Dusk 12 is a first person shooter, full of action where the player will incarnate two heroes. One of the soldiers of the group, with unknown past and one of the infected men with the virus, who has strength, speed and fortitude beyond human limits.
- 3
Half-Life
Single-player alternative to Operation: Matriarchy — playable solo, no multiplayer required. Shares Action with Operation: Matriarchy.
Named Game of the Year by over 50 publications, Valve's debut title blends action and adventure with award-winning technology to create a frighteningly realistic world where players must think to survive. Also includes an exciting multiplayer mode that allows you to play against friends and enemies around the world.
- 4
Titanfall® 2
Single-player alternative to Operation: Matriarchy — playable solo, no multiplayer required. Shares Action with Operation: Matriarchy.
Respawn Entertainment gives you the most advanced titan technology in its new, single player campaign & multiplayer experience. Combine & conquer with new titans & pilots, deadlier weapons, & customization and progression systems that help you and your titan flow as one unstoppable killing force.
- 5
Half-Life 2
Single-player alternative to Operation: Matriarchy — playable solo, no multiplayer required. Shares Action with Operation: Matriarchy.
Reawakened from stasis in the occupied metropolis of City 17, Gordon Freeman is joined by Alyx Vance as he leads a desperate human resistance. Experience the landmark first-person shooter packed with immersive world-building, boundary-pushing physics, and exhilarating combat.
- 6
BioShock Infinite
Single-player alternative to Operation: Matriarchy — playable solo, no multiplayer required. Shares Action with Operation: Matriarchy.
Indebted to the wrong people, with his life on the line, veteran of the U.S. Cavalry and now hired gun, Booker DeWitt has only one opportunity to wipe his slate clean. He must rescue Elizabeth, a mysterious girl imprisoned since childhood and locked up in the flying city of Columbia.
- 7
DOOM Eternal
Single-player alternative to Operation: Matriarchy — playable solo, no multiplayer required. Shares Action with Operation: Matriarchy.
Hell’s armies have invaded Earth. Become the Slayer in an epic single-player campaign to conquer demons across dimensions and stop the final destruction of humanity. The only thing they fear... is you.
- 8
Deep Rock Galactic
Single-player alternative to Operation: Matriarchy — playable solo, no multiplayer required. Shares Action with Operation: Matriarchy.
Deep Rock Galactic is a 1-4 player co-op FPS featuring dwarven space miners, procedurally-generated destructible environments, and endless hordes of alien monsters. Explore cave systems, mine for minerals, and work together to survive!
- 9
Return to Planet X
Single-player alternative to Operation: Matriarchy — playable solo, no multiplayer required. Shares Action with Operation: Matriarchy.
Return to Planet X is a close combat FPS in which you will have to smash tons of alien bugs.
- 10
Riven
Single-player alternative to Operation: Matriarchy — playable solo, no multiplayer required.
Uncover a story of intrigue, betrayal, and a civilization teetering on the brink of collapse as you solve intricate puzzles to unlock the secrets of Riven. Built from the ground-up and expanded from the award-winning original game released in 1997.
- 11
Quake
Single-player alternative to Operation: Matriarchy — playable solo, no multiplayer required. Shares Action with Operation: Matriarchy.
Developed by the award-winning id Software, Quake® is the ground-breaking, original dark fantasy first-person shooter that inspires today’s retro-style FPS games. With Quake (Enhanced), experience the authentic, updated, and visually enhanced version of the original.
- 12
Serious Sam 4
Single-player alternative to Operation: Matriarchy — playable solo, no multiplayer required. Shares Action with Operation: Matriarchy.
Serious Sam 4 reignites the classic FPS series in a high-powered prequel loaded with an explosive arsenal, intergalactic carnage, and perfectly timed one-liners.
- 13
Alien
Single-player alternative to Operation: Matriarchy — playable solo, no multiplayer required.
Alien is a visual novel exclusively for adults! This story is about a guy who has been dreaming of having sex with an alien woman for a very long time. At some point, this dream comes true and the guy finally fucked an alien woman!
- 14
Serious Sam 3: BFE
Single-player alternative to Operation: Matriarchy — playable solo, no multiplayer required. Shares Action with Operation: Matriarchy.
Serious Sam 3: BFE is a prequel to the original indie fast action FPS and Game of the Year sensation - Serious Sam: The First Encounter!
- 15
DOOM 3
Single-player alternative to Operation: Matriarchy — playable solo, no multiplayer required. Shares Action with Operation: Matriarchy.
A demonic invasion has overwhelmed the Union Aerospace Corporation's Mars research facility. As one of only a few survivors, you must fight your way to hell and back against a horde of demons in this award-winning horror/action FPS and reimagining of the original DOOM.
- 16
Echelon
Single-player alternative to Operation: Matriarchy — playable solo, no multiplayer required. Shares Action with Operation: Matriarchy.
It's the year 2351, and you're a pilot trying to rise through the ranks all the way to glory. As a member of the Galactic Federation, you'll be granted more than 20 weapons to use in each pass-fail mission. Your goal is to defend the planet from attacking alien forces, and you'll put your skills into play across more than 30 campaigns.
- 17
Patriot: DemocratiZation
Single-player alternative to Operation: Matriarchy — playable solo, no multiplayer required. Shares Action with Operation: Matriarchy.
2017. Around the world, oil and gas reserves are being depleted. In the United States, forces hungry for world domination are coming to power. In Russia, the economic and political situation is on the verge of complete collapse.
- 18
Echelon: Wind Warriors
Single-player alternative to Operation: Matriarchy — playable solo, no multiplayer required. Shares Action with Operation: Matriarchy.
In Echelon: Wind Warriors you will discover the universe of the third millennium. This is a combat simulator involving hovering machines of the future. War is raging between the government forces of the Galactic Federation and squadrons from one of the colonies.