Single-player games like N.E.O
Below are 9 single-player Steam games similar to N.E.O, 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 N.E.O page.
Ranked picks
- 1
Serious Sam HD: The Second Encounter
Single-player alternative to N.E.O — playable solo, no multiplayer required. Shares Action with N.E.O.
Serious Sam HD: The Second Encounter is a visually upgraded and fully Steam supported remake of the original high-adrenaline single-play and 16-player co-operative arcade-action FPS and Gamespot's Game of the Month!
- 2
Portal 2
Single-player alternative to N.E.O — playable solo, no multiplayer required. Shares Action with N.E.O.
The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!
- 3
Half-Life 2
Single-player alternative to N.E.O — playable solo, no multiplayer required. Shares Action with N.E.O.
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.
- 4
Terraria
Single-player alternative to N.E.O — playable solo, no multiplayer required. Shares Action with N.E.O.
Dig, fight, explore, build! Nothing is impossible in this action-packed adventure game. Four Pack also available!
- 5
Dying Light
Single-player alternative to N.E.O — playable solo, no multiplayer required. Shares Action with N.E.O.
First-person action survival game set in a post-apocalyptic open world overrun by flesh-hungry zombies. Roam a city devastated by a mysterious virus epidemic. Scavenge for supplies, craft weapons, and face hordes of the infected.
- 6
BioShock Infinite
Single-player alternative to N.E.O — playable solo, no multiplayer required. Shares Action with N.E.O.
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
Borderlands 2
Single-player alternative to N.E.O — playable solo, no multiplayer required. Shares Action with N.E.O.
The Ultimate Vault Hunter’s Upgrade lets you get the most out of the Borderlands 2 experience.
- 8
Grand Theft Auto: San Andreas
Single-player alternative to N.E.O — playable solo, no multiplayer required. Shares Action with N.E.O.
Five years ago Carl Johnson escaped from the pressures of life in Los Santos, San Andreas... a city tearing itself apart with gang trouble, drugs and corruption. Where filmstars and millionaires do their best to avoid the dealers and gangbangers. Now, it's the early 90s. Carl's got to go home.
- 9
朱鴉～AKEGARASU～ Journey to the Underworld
Single-player alternative to N.E.O — playable solo, no multiplayer required. Shares Action with N.E.O.
An Ultimate-Speed × Hardcore Runner where a jet-black avenger cuts through the darkness. Cut down enemies with fast and thrilling moves like a hero from manga or anime, and rescue your beloved imprisoned in the depths of Yomi.