Single-player games like La Cosa Nostra
Below are 8 single-player Steam games similar to La Cosa Nostra, 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 La Cosa Nostra page.
Ranked picks
- 1

Lost in Hell
Single-player alternative to La Cosa Nostra — playable solo, no multiplayer required. Shares Action with La Cosa Nostra.
Lost in Hell is a single-player game with endless hordes of monsters, grim characters and gritty scenarios! Blast your way through the evils on this atmospheric side-scrolling, with directional freedom to explore and combat, or to flee your enemies and spare ammo.
- 2

Yakuza Undisputed
Single-player alternative to La Cosa Nostra — playable solo, no multiplayer required. Shares Action with La Cosa Nostra.
Story follows a yakuza member who was framed, spent a couple of years in jail. After being released, he learns that the T.Kimaru gang had taken his belovd"xioyu" captive for been accused of losing the syndicate boss money, can you rescue her from the opposing gang maybe, maybe not. Kimaru awaits you
- 3

Hunkenstein
Single-player alternative to La Cosa Nostra — playable solo, no multiplayer required. Shares Action with La Cosa Nostra.
The most fearsome monsters of classic cinema are now common household pests. You're the new exterminator in town. Unlicensed, of course. Shoot, crush, burn, or mulch these physics-based ghouls, then collect the check.
- 4

Gazmatera: Return Of The Generals
Single-player alternative to La Cosa Nostra — playable solo, no multiplayer required. Shares Action with La Cosa Nostra.
In the years between 1988 and 1994, somewhere in Europe a squadron of the best fighters from crime, called "generals", was blacklisted for liquidation. Take control of four survivors, Jeff, Kayla, Helga and Emilia, and exterminate the leader of the enemy gang!
- 5

SCP - The Sentient Box
Single-player alternative to La Cosa Nostra — playable solo, no multiplayer required.
Investigate the life of John Doe as he resides in his lost memories in this story-driven Alternate Reality Game (ARG) that merges Your Real Life with science fiction as it explores the Dark Limits of Alternate History and The SCP Foundation.
- 6

Reloader: test_subject
Single-player alternative to La Cosa Nostra — playable solo, no multiplayer required. Shares Action with La Cosa Nostra.
Reloader: test_subject is an experimental "Bullet Counting Reload Action" game. Experience being a Reloader: having legendary shooting skills and engaging in Close-Quarters Combat(CQC). You just have to remember how to use the gun you’re holding.
- 7

REPLACED
Single-player alternative to La Cosa Nostra — playable solo, no multiplayer required. Shares Action with La Cosa Nostra.
Follow Reach, an AI trapped in a human body, as you expose the sinister secrets of Phoenix Corp. Set in an alternate 1980s America, experience a cinematic 2.5D adventure - a dark cyberpunk thriller blending atmospheric exploration with immersive, high-stakes action.
- 8

This Bed We Made
Single-player alternative to La Cosa Nostra — playable solo, no multiplayer required.
This Bed We Made is a third-person mystery game in which you play as a maid in a 1950s hotel and snoop around strangers' rooms to uncover their deadly secrets. Discover what links guests together in this tale of love, heartbreak and murder!