Single-player games like INSOMNIA: The Ark
Below are 12 single-player Steam games similar to INSOMNIA: The Ark, 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 INSOMNIA: The Ark page.
Ranked picks
- 1
Aetherfall
Single-player alternative to INSOMNIA: The Ark — playable solo, no multiplayer required. Shares Action and RPG with INSOMNIA: The Ark.
Aetherfall is an elemental post-apocalypse extraction RPG set on a modern Earth where technology has failed and elemental power rules. Master fire, earth, air, and water, combine them into new elements, and risk everything as you fight to survive and grow stronger.
- 2
Marimo-VS-IAS: Our Friends
Single-player alternative to INSOMNIA: The Ark — playable solo, no multiplayer required. Shares Action and Indie with INSOMNIA: The Ark.
A 3D action where marimo moss ball fight to survive. Clear around 60 missions as you explore the lake, uncovering hidden items, information, side quests, and lurking threats… Use mission rewards and collected items to upgrade your marimo and take on powerful enemies!
- 3
Fire in the Beastlands
Single-player alternative to INSOMNIA: The Ark — playable solo, no multiplayer required. Shares Action and Indie with INSOMNIA: The Ark.
Explore the danger and mystery of a fallen land, whose hidden wonders are shrouded and marred by the stranglehold of wickedness. In "Fire in the Beastlands," you are thrust into a world beyond the brink, blamed for its waywardness, and confronted with the choice between revenge and redemption.
- 4
THE DARK SIDE OF CECLON
Single-player alternative to INSOMNIA: The Ark — playable solo, no multiplayer required. Shares Action and Indie with INSOMNIA: The Ark.
Jensen, the sole survivor of the Nexentia shuttle crash on the planet CECLON. Alone, light years away from all human life! You will have to face the Nocturnes, primitive creatures in order to bring back the Veka energy, humanity's only hope.
- 5
Project Echo: Downfall
Single-player alternative to INSOMNIA: The Ark — playable solo, no multiplayer required. Shares Action and Indie with INSOMNIA: The Ark.
Project Echo is an open-world FPS survival game set in a post-apocalyptic world. Explore the anomalies of the Downfall Zone, scavenge for resources, craft gear, rebuild your shelter, and uncover a story-rich narrative.
- 6
Mass Effect™ 3 N7 Digital Deluxe Edition (2012)
Single-player alternative to INSOMNIA: The Ark — playable solo, no multiplayer required. Shares Action and RPG with INSOMNIA: The Ark.
Earth is burning. The Reapers have taken over and other civilizations are falling like dominoes. Lead the final fight to save humanity and take back Earth from these terrifying machines, Commander Shepard.
- 7
Beyond Mankind: The Awakening
Single-player alternative to INSOMNIA: The Ark — playable solo, no multiplayer required. Shares Action and Indie with INSOMNIA: The Ark.
Beyond Mankind: The Awakening is an indie old school type RPG taking place in a post-apocalyptic world. The game sports a mature and deep narrative, rich exploration, tense combat, and immersive RPG mechanics.
- 8
Alpha Protocol™
Single-player alternative to INSOMNIA: The Ark — playable solo, no multiplayer required. Shares Action and RPG with INSOMNIA: The Ark.
Loyalty carries a price and no one knows this more than agent Michael Thorton. A talented young agent cast out by his government, Thorton is the only one with the information needed to stop an impending international catastrophe.
- 9
Fallout: New Vegas
Single-player alternative to INSOMNIA: The Ark — playable solo, no multiplayer required. Shares Action and RPG with INSOMNIA: The Ark.
Welcome to Vegas. New Vegas. Enjoy your stay!
- 10
Syberia
Single-player alternative to INSOMNIA: The Ark — playable solo, no multiplayer required.
Join Kate Walker as she travels to remote locations and time periods in this timeless voyage to discover her true destiny.
- 11
Fallout 4
Single-player alternative to INSOMNIA: The Ark — playable solo, no multiplayer required. Shares RPG with INSOMNIA: The Ark.
From Bethesda Game Studios, the award-winning creators of Starfield and The Elder Scrolls V: Skyrim, comes Fallout 4. A landmark in open-world RPG design and winner of over 200 ‘Best Of’ honors, including the DICE and BAFTA Game of the Year.
- 12
Planescape: Torment: Enhanced Edition
Single-player alternative to INSOMNIA: The Ark — playable solo, no multiplayer required. Shares RPG with INSOMNIA: The Ark.
Uncover secrets of past lives in this story-rich, tactical roleplaying game set in Sigil, a dark fantasy city at the heart of the Dungeons & Dragons multiverse. Explore the planes, survive combat alongside a party of bizarre companions, and solve puzzles unlike any ever seen in the genre.