Single-player games like Athanasy
Below are 16 single-player Steam games similar to Athanasy, 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 Athanasy page.
Ranked picks
- 1

Thoughtless
Single-player alternative to Athanasy — playable solo, no multiplayer required. Shares Indie with Athanasy.
A dark sci-fi psychological Visual Novel where your choices shape who you are. The world has ended and it's been dominated by mysterious aliens who roam the city. Despite that, you only think of what you've lost. Will you be able to rebuild your relationships? Or even... the world itself?
- 2

Touhou: Fading Illusion
Single-player alternative to Athanasy — playable solo, no multiplayer required. Shares Indie and Casual with Athanasy.
A visual novel based on Touhou Project, made by fans for fans and others! Embark on the investigation of the greatest incident in Gensokyo's history and discover the terrifying truth of the youkai world with Reimu Hakurei, Marisa Kirisame, Sakuya Izayoi and other heroines!
- 3

Black Lazar
Single-player alternative to Athanasy — playable solo, no multiplayer required. Shares Indie and Casual with Athanasy.
A detective noir, choose-your-own-adventure game with hand-drawn art, over 250k words, and an immersive soundtrack.
- 4

Soul of Savarog
Single-player alternative to Athanasy — playable solo, no multiplayer required. Shares Indie with Athanasy.
Soul of Savarog includes four of Twisted Universe's mobile horror thriller games. All of these plays tell the story of Savarog. Play Savarog, Savarog 2, Rule and Savarog 3 respectively.
- 5

Ceiba
Single-player alternative to Athanasy — playable solo, no multiplayer required. Shares Indie with Athanasy.
Ein, a simple-hearted member of an expedition sent by mankind to distant planets, tries to get romantic with a pretty but cold co-worker girl. Unfortunately, he is not the only one trying to make contact as from the abandoned and desolate alien ruins, the girl receives a message in human language.
- 6

KORA
Single-player alternative to Athanasy — playable solo, no multiplayer required. Shares Indie and Casual with Athanasy.
In a "perfect" city governed by AI, you're just an ordinary repair technician trying to survive. Then a routine job goes wrong, you get kidnapped, and the woman who taught you everything you know seems to have known it would happen all along.
- 7

Quodan: Treachery on the Arheid
Single-player alternative to Athanasy — playable solo, no multiplayer required. Shares Indie and Casual with Athanasy.
When the Arheid III is sabotaged by a spy aboard the spaceship, Captain John Will Smith must get to the bottom of it or risk another attack.
- 8

NIRAVASI
Single-player alternative to Athanasy — playable solo, no multiplayer required.
Escape and explore the ruins of a once-great city, while being hunted by the machine that watches over it. Remember, there is always protection in perfection.
- 9

Wrought Flesh
Single-player alternative to Athanasy — playable solo, no multiplayer required.
Rip out organs and equip them in your own body. Fight biopunk monsters and drugged-up space bandits. You are a Gajeshian Cultist: A near-mythological being built from the bodies of long-dead saints.
- 10

The Song of Saya
Single-player alternative to Athanasy — playable solo, no multiplayer required.
Bear witness to a love that will change the world, in this classic horror romance visual novel from acclaimed writer Urobuchi Gen.
- 11

Scorn
Single-player alternative to Athanasy — playable solo, no multiplayer required. Shares Indie with Athanasy.
Scorn is an atmospheric first-person horror adventure game set in a nightmarish universe of odd forms and somber tapestry.
- 12

Stalker
Single-player alternative to Athanasy — playable solo, no multiplayer required. Shares Indie and Casual with Athanasy.
The background story of "Stalker" is that a teenager encounters various events on the road following a young girl. The teenager(player) can selectively interact and give repairs / help due to these events. How you will lead to different ending. The game was developed during the Global Game Jam 2020.
- 13

PROTOTYPE
Single-player alternative to Athanasy — playable solo, no multiplayer required. Shares Casual with Athanasy.
In the neon-lit world of PROTOTYPE, 07Vanguard, a powerful AI prototype, battles hordes of menacing robots. Equipped with combat techniques and a vast arsenal, it faces increasingly challenging enemies. Power-ups aid its survival, but the ultimate test comes with the appearance of formidable Bosses.
- 14

BioShock™
Single-player alternative to Athanasy — playable solo, no multiplayer required.
BioShock is a shooter unlike any you've ever played, loaded with weapons and tactics never seen. You'll have a complete arsenal at your disposal from simple revolvers to grenade launchers and chemical throwers, but you'll also be forced to genetically modify your DNA to create an even more deadly weapon: you.
- 15

Solaris - Arcade Edition
Single-player alternative to Athanasy — playable solo, no multiplayer required. Shares Indie with Athanasy.
You take control from a spaceship called DV-01 to towards on stages until reach the "Special Stage" that is endless! Shoot on enemies to earn more points this is the focus. Enjoy! This is the Arcade Version from "Solaris The Second Law".
- 16

Prototype™
Single-player alternative to Athanasy — playable solo, no multiplayer required.
You are the Prototype, Alex Mercer, a man without memory armed with amazing shape-shifting abilities, hunting your way to the heart of the conspiracy which created you; making those responsible pay. Fast & Deadly Shape-Shifting Combat: Reconfigure your body to the situation at hand.