Single-player games like Quodan: Treachery on the Arheid
Below are 9 single-player Steam games similar to Quodan: Treachery on the Arheid, 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 Quodan: Treachery on the Arheid page.
Ranked picks
- 1
KILLA
Single-player alternative to Quodan: Treachery on the Arheid — playable solo, no multiplayer required. Shares Indie with Quodan: Treachery on the Arheid.
A Master murdered. A dying wish: "Kill La." Nine suspects. One killer. All named 「La」. Valhalla hunts the truth by diving into their memories — in a world beautiful and cruel as a doll. Which 「La」 pulled the strings?
- 2
Quarantine Circular
Single-player alternative to Quodan: Treachery on the Arheid — playable solo, no multiplayer required. Shares Indie and Casual with Quodan: Treachery on the Arheid.
In the middle of a world-ending pandemic, a group of scientists discover the galaxy has been watching. From the award-winning team behind Thomas Was Alone and Subsurface Circular, Quarantine Circular is the next mutation in text-based adventure.
- 3
Subsurface Circular
Single-player alternative to Quodan: Treachery on the Arheid — playable solo, no multiplayer required. Shares Indie and Casual with Quodan: Treachery on the Arheid.
When the truth is buried, go underground. Step into this new take on text-based adventure from the award-winning team behind Thomas Was Alone and Volume. A short story that hands you the fate of the world above, as a detective looking for answers on the Subsurface Circular.
- 4
The Island: Into The Mist
Single-player alternative to Quodan: Treachery on the Arheid — playable solo, no multiplayer required. Shares Indie and Casual with Quodan: Treachery on the Arheid.
'The Island: In To The Mist' is an adventure game. It includes basic features of adventure genre and add some new systems to interest you. You have been given a chance to experience a group of university students, who confined in the island. There is a terrific but interesting story you will see.
- 5
Athanasy
Single-player alternative to Quodan: Treachery on the Arheid — playable solo, no multiplayer required. Shares Indie and Casual with Quodan: Treachery on the Arheid.
Deep beneath the surface of the dead Earth, the City, the last refuge of humanity, hides. Engineering genius and efforts of all mankind; a giant structure of steel, concrete, and biopolymers. It keeps the remnants of civilization one step away from total extinction.
- 6
Between Horizons – A Sci-Fi Detective Adventure
Single-player alternative to Quodan: Treachery on the Arheid — playable solo, no multiplayer required. Shares Indie with Quodan: Treachery on the Arheid.
Between Horizons is a narrative 2.5D sci-fi detective adventure. 33 years into the Zephyr's journey, its mission is suddenly jeopardized. Can you find the culprit before it's too late? Experience an enthralling story set in a semi-open world that branches and ends based on your choices.
- 7
The Darkside Detective: A Fumble in the Dark
Single-player alternative to Quodan: Treachery on the Arheid — playable solo, no multiplayer required. Shares Indie and Casual with Quodan: Treachery on the Arheid.
Delouse your room with sage and pack up your travel-sized ouija board, it’s time to re-enter Twin Lakes - America’s 34th most haunted city. Join Detective McQueen as he puzzles his way through 9 chilling cases, risking life and pixelated limb to solve the macabre mysteries that plague the poor town.
- 8
The Advisor - Episode 1: Royal Pain
Single-player alternative to Quodan: Treachery on the Arheid — playable solo, no multiplayer required.
The Advisor Series is a player-driven narrative where your choices & decisions, both in the game, and out of the game, determine how future episodes unfold. Play the role of villain protagonist Magnus the Magician, as he wreaks havoc across the land, one well-placed fireball at a time!
- 9
The Adventures of Beanman
Single-player alternative to Quodan: Treachery on the Arheid — playable solo, no multiplayer required. Shares Indie and Casual with Quodan: Treachery on the Arheid.
Fight your way through bosses in worlds, from the Artic to the Moon to be able to save Beanland from the "Other World". Can you take down all the bosses?