Single-player games like CRABS MUST DIE!
Below are 8 single-player Steam games similar to CRABS MUST DIE!, 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 CRABS MUST DIE! page.
Ranked picks
- 1

Humanity Lost
Single-player alternative to CRABS MUST DIE! — playable solo, no multiplayer required. Shares Action and Adventure with CRABS MUST DIE!.
Will you save humanity? You are on a mission to find a new planet for humans to inhabit. In this story driven FPS space opera you will explore open world planets, find weapons, upgrade your character, and befriend alien species.
- 2

Fallout 4
Single-player alternative to CRABS MUST DIE! — playable solo, no multiplayer required. Shares RPG with CRABS MUST DIE!.
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.
- 3

The Outer Worlds
Single-player alternative to CRABS MUST DIE! — playable solo, no multiplayer required. Shares RPG with CRABS MUST DIE!.
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.
- 4

Fallout: New Vegas
Single-player alternative to CRABS MUST DIE! — playable solo, no multiplayer required. Shares Action and RPG with CRABS MUST DIE!.
Welcome to Vegas. New Vegas. Enjoy your stay!
- 5

RoboCop: Rogue City - Unfinished Business
Single-player alternative to CRABS MUST DIE! — playable solo, no multiplayer required. Shares Action and Adventure with CRABS MUST DIE!.
Unfinished Business is a new standalone adventure of RoboCop: Rogue City. OmniTower is their fortress, violence their language. Face elite mercenaries all the way to the top of the tower and enforce the law amidst the chaos!
- 6

Borderlands 4
Single-player alternative to CRABS MUST DIE! — playable solo, no multiplayer required. Shares Action and Adventure with CRABS MUST DIE!.
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.
- 7

Deus Ex: Mankind Divided
Single-player alternative to CRABS MUST DIE! — playable solo, no multiplayer required. Shares Action and RPG with CRABS MUST DIE!.
You play as Adam Jensen, an experienced covert operative operating in a world that despises his kind: augmented humans. Choose from an arsenal of state-of-the-art weapons and augmentations to build your playstyle, and decide who you'll trust, to unravel a vast worldwide conspiracy.
- 8

S.T.A.L.K.E.R.: Clear Sky
Single-player alternative to CRABS MUST DIE! — playable solo, no multiplayer required. Shares Action and RPG with CRABS MUST DIE!.
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.