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

Sniper Ghost Warrior Contracts
Single-player alternative to NIRO — playable solo, no multiplayer required. Shares Action with NIRO.
Become the ultimate assassin in the most realistic modern warfare sniping game available. Engage in an immersive single-player campaign across large, open-ended maps. Tactical thinking, stealth approach and precision in execution of long shots required.
- 2

Sniper Elite: Resistance
Single-player alternative to NIRO — playable solo, no multiplayer required. Shares Action with NIRO.
Offering unparalleled sniping mechanics, stealth and tactical third-person combat, Sniper Elite: Resistance turns the attention of the award-winning series towards a hidden war, far from the front lines, deep within the heart of occupied France.
- 3

HITMAN World of Assassination
Single-player alternative to NIRO — playable solo, no multiplayer required. Shares Action with NIRO.
Enter the world of the ultimate assassin. HITMAN World of Assassination delivers the definitive stealth action experience, putting you in the shoes of Agent 47, a master assassin. Explore immersive locations, uncover hidden secrets, and eliminate targets with complete freedom of approach.
- 4

No Sun To Worship
Single-player alternative to NIRO — playable solo, no multiplayer required. Shares Action with NIRO.
A short, minimalist stealth-action game about the importance of art. We painted the sky ashen gray. Burned the heavens to starve each other. Now we walk an endless cemetery of regret.
- 5

E.E.R.I.E2
Single-player alternative to NIRO — playable solo, no multiplayer required. Shares Indie with NIRO.
E.E.R.I.E 2 is a tactical shooting game. In the modern Gensokyo, play the role of fairy Luna, and uses a variety of modern light weapons and tactical equipment to join in a war that decides the fate of Gensokyo.
- 6

Hidden & Dangerous 2: Courage Under Fire
Single-player alternative to NIRO — playable solo, no multiplayer required. Shares Action with NIRO.
Hidden & Dangerous 2 is a first and third person tactical shooter that builds upon the tremendous success of Hidden & Dangerous. You lead a small squad of Allied soldiers deep behind enemy lines, to carry out secret missions during World War II.
- 7

El Matador
Single-player alternative to NIRO — playable solo, no multiplayer required. Shares Action with NIRO.
Become El Matador, a DEA special agent tasked with taking down the drug barons. A new narcotics cartel is rising across Central and South America, sharpening its claws and extending its reach. Locate the encampments, infiltrate the headquarters, and put an end to the cartel's influence.
- 8

Commandos: Beyond the Call of Duty
Single-player alternative to NIRO — playable solo, no multiplayer required. Shares Action with NIRO.
You have been selected for active service in the Commandos Corps, and must now mobilize in a series of 8 new dangerous missions.