Single-player games like INSOMNIA: The Ark
Below are 11 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
Mars: War Logs
Single-player alternative to INSOMNIA: The Ark — playable solo, no multiplayer required. Shares Action and RPG with INSOMNIA: The Ark.
An Intense Cyberpunk Rpg On the Red Planet! Mars War Logs takes you to Mars, nearly a century after the cataclysm that threw the planet and its colonists into chaos. Water has become the most precious resource on the arid red planet, with a few companies fighting a perpetual war for its control.
- 2
Encased: A Sci-Fi Post-Apocalyptic RPG
Single-player alternative to INSOMNIA: The Ark — playable solo, no multiplayer required. Shares Indie and RPG with INSOMNIA: The Ark.
A tactical sci-fi RPG set in an alternative 1970's, where an enormous and inexplicable artifact –the Dome– is discovered in a remote desert. Fight enemies, explore the anomalous wasteland, level up your character, join one of the forces in the ruined world.
- 3
Immortal: Unchained
Single-player alternative to INSOMNIA: The Ark — playable solo, no multiplayer required. Shares Action and RPG with INSOMNIA: The Ark.
Unleashed and unforgiving. Can you rise to the challenge? Immortal: Unchained is the latest addition to the genre of ultra-hardcore action RPGs. Take the role of a living weapon, unleashed to stop the source of a cataclysmic event threatening to end all worlds.
- 4
ELEX
Single-player alternative to INSOMNIA: The Ark — playable solo, no multiplayer required. Shares Action and RPG with INSOMNIA: The Ark.
ELEX is a handcrafted action role-playing experience from the award-winning creators of the Gothic series, set in a brand new post-apocalyptic Science Fantasy universe that puts players into a huge seamless game world full of original characters, mutated creatures, deep moral choices and powerful action.
- 5
Chernobylite 2: Exclusion Zone
Single-player alternative to INSOMNIA: The Ark — playable solo, no multiplayer required. Shares Action and Indie with INSOMNIA: The Ark.
Explore the mysterious, beautiful, yet dark world of the Chornobyl Exclusion Zone in this post-apocalyptic action-RPG. Make your mark on this world, through your character development, choices and playstyle. But remember – everything has a price and consequences.
- 6
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.
- 7
GreedFall
Single-player alternative to INSOMNIA: The Ark — playable solo, no multiplayer required. Shares RPG with INSOMNIA: The Ark.
Engage in a core roleplaying experience, and forge the destiny of a new world seeping with magic, and filled with riches, lost secrets, and fantastic creatures. With diplomacy, deception and force, become part of a living, evolving world - influence its course and shape your story.
- 8
Fallout 3: Game of the Year Edition
Single-player alternative to INSOMNIA: The Ark — playable solo, no multiplayer required. Shares RPG with INSOMNIA: The Ark.
Prepare for the Future™ With Fallout 3: Game of the Year Edition, experience the most acclaimed game of 2008 like never before. Create a character of your choosing and descend into an awe-inspiring, post-apocalyptic world where every minute is a fight for survival.
- 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
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.
- 11
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.