Single-player games like S.E.C.U.
Below are 10 single-player Steam games similar to S.E.C.U., 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 S.E.C.U. page.
Ranked picks
- 1
BLOODKILL
Single-player alternative to S.E.C.U. — playable solo, no multiplayer required. Shares Action and Indie with S.E.C.U..
BRUTAL First Person Shooter focused on action, gore, and exploration. Fueled by adrenaline-pumping trap-metal soundtrack.
- 2
Shadow Warrior 3: Definitive Edition
Single-player alternative to S.E.C.U. — playable solo, no multiplayer required. Shares Action with S.E.C.U..
Take an adrenaline-fueled journey through a mythical Japanese realm in the Definitive Edition of Shadow Warrior 3, packed with new features, and enjoy an ultraviolent blend of fast-paced gunplay, razor-sharp melee combat, and spectacular free-running movement.
- 3
Gates of Hell
Single-player alternative to S.E.C.U. — playable solo, no multiplayer required. Shares Action and Indie with S.E.C.U..
Gates of Hell is a fast-paced first-person shooter where you must battle through relentless waves of Demonic terror!
- 4
HYPERGUN
Single-player alternative to S.E.C.U. — playable solo, no multiplayer required. Shares Action and Indie with S.E.C.U..
Fight through waves of alien interlopers and save the world as Dewey Owens in HYPERGUN, a fast-paced roguelite shooter centering around a procedural weapon of questionable effectiveness. Enter the simulation. Build the HYPERGUN!
- 5
Ziggurat
Single-player alternative to S.E.C.U. — playable solo, no multiplayer required. Shares Action and Indie with S.E.C.U..
Dungeon-Crawling First Person Shooting at its finest! Fast-paced combat! Dozens of perks, spells and enemies! Level ups! Random Dungeons! Traps! Badass bosses! Carrots!
- 6
PERISH
Single-player alternative to S.E.C.U. — playable solo, no multiplayer required. Shares Action and Indie with S.E.C.U..
PERISH is a stylish 1-4 player FPS with a cross to bear. Slay hordes of creatures on the black sands of Purgatory and sell their gold-stained corpses to craven priests. Kill magnificent bosses and use the proceeds to gain entrance to Elysium, a place of cosmic revelations.
- 7
Hellbound
Single-player alternative to S.E.C.U. — playable solo, no multiplayer required. Shares Action and Indie with S.E.C.U..
Classic First Person Shooter style game. Like the good old days. An action game focused on speed, gore, guns, and metal music. Inspired by the 90s’ classics with modern visuals and audio!
- 8
Against Great Darkness
Single-player alternative to S.E.C.U. — playable solo, no multiplayer required. Shares Action and Indie with S.E.C.U..
Against Great Darkness is a brick-breaking, bullet hell, roguelite where you play as a pagan trying to escape Hell's maw. Trigger relics by keeping your disks bouncing, experience unique events where you can obtain incredible loot, and battle hellish bosses while always keeping an eye on your disks.
- 9
Burkina Faso: Radical Insurgency
Single-player alternative to S.E.C.U. — playable solo, no multiplayer required. Shares Action and Indie with S.E.C.U..
BF:RI is a military tactical shooter and a work of historical fiction set in war-torn Burkina Faso. You are a CIA SAC Tier 1 operator, assigned to Operation Sahel Dominion, a covert manhunt targeting the Leader of the Sahel Caliphate responsible for an act of terrorism on American soil.
- 10
Rotfront
Single-player alternative to S.E.C.U. — playable solo, no multiplayer required. Shares Action and Indie with S.E.C.U..
Rotfront is a singleplayer FPS set out in the state of Washington in the year 2034. Infiltrate as a lone Operator, purge infected areas, kill as many Rots as possible and unlock weapons as you level up and grow stronger.