Single-player games like Cosa Nostra
Below are 11 single-player Steam games similar to 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 Cosa Nostra page.
Ranked picks
- 1

Sneak Thief
Single-player alternative to Cosa Nostra — playable solo, no multiplayer required. Shares Action and Strategy with Cosa Nostra.
Sneak Thief is a first person, shooter, strategy, stealth and puzzle game that lets you choose how you want to play. Use your wits and expertise to setup and perform heists whether that be by using brute force to smash your way through or by getting away without making a sound.
- 2

Stick Em Up
Single-player alternative to Cosa Nostra — playable solo, no multiplayer required. Shares Action and Strategy with Cosa Nostra.
Stick Em Up, is a game in which you will use your skills, your wits, and your arsenal of guns and explosives to pull off cunning, exciting, and sometimes messy heists. Watch as your skills take you from robbing lonely gas stations to the most massive banks.
- 3

Good Morning
Single-player alternative to Cosa Nostra — playable solo, no multiplayer required. Shares Action and Strategy with Cosa Nostra.
Good Morning is an open world sandbox game. Explore the world. Get a job. Grab a cup of coffee. Rob a bank. Rise to political power. Sell some drugs. Join a gang. Unleash hell fire upon the world. Or maybe go on an afternoon stroll through the park. The Choice is yours!
- 4

Broken Spell 2
Single-player alternative to Cosa Nostra — playable solo, no multiplayer required. Shares Action and Strategy with Cosa Nostra.
Broken Spell 2 is an ARPG game. You will fight in blood with cruel and ferocious warlock and sorcerers for saving pretty girls.
- 5

Sairento VR
Single-player alternative to Cosa Nostra — playable solo, no multiplayer required. Shares Action and Strategy with Cosa Nostra.
VR was made for this. Perform triple jumps, wall runs, power slides and slow time down while blasting away at a foe before landing to deliver a blade attack on another. Kit yourself with katanas, firearms, bows, throwing glaives and legendary relics. Keep upgrading as you play. PURE CYBER NINJA FUN.
- 6

Party Hard
Single-player alternative to Cosa Nostra — playable solo, no multiplayer required. Shares Action and Strategy with Cosa Nostra.
It's 3:00 a.m. Your neighbours are having a loud party. Stop them. Party Hard is tinyBuild's award-winning stealth strategy game about ruining parties by any means.
- 7

Easy Red 2
Single-player alternative to Cosa Nostra — playable solo, no multiplayer required. Shares Action and Strategy with Cosa Nostra.
Experience massive battles with infantry, tanks, artillery, and aircraft on large destructible open-world maps. Equip yourself, coordinate with your squad, and fight through World War II in singleplayer, co-op, or multiplayer!
- 8

Ultimate Epic Battle Simulator
Single-player alternative to Cosa Nostra — playable solo, no multiplayer required. Shares Action and Strategy with Cosa Nostra.
Here is a sandbox like no other. Create massive battles with absolutely no limits. Want to see 10,000 chickens fight an army of Romans?? Sure, why not. Want to see a company of WW2 U.S soldiers fight 11,000 Medieval soldiers?? There are simply no limits to the carnage you can achieve in UEBS.
- 9

Supermarket Tycoon
Single-player alternative to Cosa Nostra — playable solo, no multiplayer required. Shares Strategy and Indie with Cosa Nostra.
Ready to be a millionaire? broke? robbed? or finally receive the sweet release of death? Well Supermarket Tycoon is the game for you! Build up and manage your own super market and much much more!
- 10

Blind Justice
Single-player alternative to Cosa Nostra — playable solo, no multiplayer required. Shares Strategy and Indie with Cosa Nostra.
Near the border of the iron curtain in the soviet union lies a small village where unrest is brewing and supplies are scarce. You and your family have been sent there to bring order, where you will serve the USSR as a judge. Balance your own moral judgment with the opinions of those watching...
- 11

Vae Victis
Single-player alternative to Cosa Nostra — playable solo, no multiplayer required. Shares Action and Strategy with Cosa Nostra.
Vae Victis is a ruthless minimalistic turn-based strategy game. Engage in intense multiplayer battles with friends or fight through an expansive campaign. With unique units, factions, and abilities you will have to be cunning with your tactical decisions to claim victory!