Single-player games like Humanity Lost
Below are 9 single-player Steam games similar to Humanity Lost, 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 Humanity Lost page.
Ranked picks
- 1

Fallout 4
Single-player alternative to Humanity Lost — playable solo, no multiplayer required. Shares RPG with Humanity Lost.
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.
- 2

The Outer Worlds
Single-player alternative to Humanity Lost — playable solo, no multiplayer required. Shares RPG with Humanity Lost.
The Outer Worlds is an award-winning single-player RPG from Obsidian Entertainment and Private Division. As you explore a space colony, the character you decide to become will determine how this player-driven story unfolds. In the colony's corporate equation, you are the unplanned variable.
- 3

Fallout: New Vegas
Single-player alternative to Humanity Lost — playable solo, no multiplayer required. Shares Action and RPG with Humanity Lost.
Welcome to Vegas. New Vegas. Enjoy your stay!
- 4

Deep Space
Single-player alternative to Humanity Lost — playable solo, no multiplayer required. Shares Action and Adventure with Humanity Lost.
You are entrusted with the role of one of the elite captains, put on a high-tech mech suit suitable for travel into space and go on an exciting journey.
- 5

EVERSPACE™ 2
Single-player alternative to Humanity Lost — playable solo, no multiplayer required. Shares Action and Adventure with Humanity Lost.
EVERSPACE 2 is a fast-paced single-player spaceship shooter with exploration in space and on planets, tons of loot, RPG elements, mining, and crafting. Experience an exciting sci-fi story set in a vivid, handcrafted open world full of secrets, puzzles, and perils.
- 6

S.T.A.L.K.E.R.: Clear Sky
Single-player alternative to Humanity Lost — playable solo, no multiplayer required. Shares Action and RPG with Humanity Lost.
S.T.A.L.K.E.R.: Clear Sky – standalone prequel for the acclaimed S.T.A.L.K.E.R.: Shadow of Chernobyl, which tells you story about the Clear Sky group, that want to research the Zone and understand it better.
- 7

Borderlands 4
Single-player alternative to Humanity Lost — playable solo, no multiplayer required. Shares Action and Adventure with Humanity Lost.
Borderlands 4 is a mayhem-fueled looter shooter, jam-packed with billions of weapons, deadly enemies, and intense co-op action. Break free from a dangerous hidden planet as one of four new badass Vault Hunters.
- 8

Horizon Zero Dawn™ Complete Edition
Single-player alternative to Humanity Lost — playable solo, no multiplayer required. Shares Action and Adventure with Humanity Lost.
Experience Aloy’s legendary quest to unravel the mysteries of a future Earth ruled by Machines. Use devastating tactical attacks against your prey and explore a majestic open world in this award-winning action RPG!
- 9

President Pig
Single-player alternative to Humanity Lost — playable solo, no multiplayer required. Shares RPG with Humanity Lost.
Old school turn based political RPG with loads of crude humor and action. President Drumph is an evil dictator who has taken over the world and you must join The Resistance and stop him before everyone is doomed.