Games like The Giant Crab in Space
Games like The Giant Crab in Space include ARMORED CORE™ VI FIRES OF RUBICON™, The Callisto Protocol™, MechWarrior 5: Clans, Dead Space (2008), and Warhammer 40,000: Space Marine 2. We matched them by the tags players give The Giant Crab in Space on Steam (Simulation, Sci-fi, Action, Destruction, and Aliens): closest matches first, and among equally close ones the better-known games.

ARMORED CORE™ VI FIRES OF RUBICON™
Shared: Action · Mechs · Sci-fi

The Callisto Protocol™
Shared: Sci-fi · Action-Adventure · Action

MechWarrior 5: Clans
Shared: Simulation · Action · Mechs

Dead Space (2008)
Shared: Sci-fi · Action · Space

Warhammer 40,000: Space Marine 2
Shared: Action · Sci-fi · Action-Adventure

PRAGMATA
Shared: Sci-fi · Action · Action-Adventure

Prey
Shared: Sci-fi · Immersive Sim · Action

STAR WARS Jedi: Survivor™
Shared: Action · Sci-fi · Action-Adventure

STAR WARS Jedi: Fallen Order™
Shared: Action-Adventure · Sci-fi · Action

Hardspace: Shipbreaker
Shared: Sci-fi · Simulation · Destruction

Dead Space
Shared: Sci-fi · Space · Action-Adventure

MechWarrior 5: Mercenaries
Shared: Simulation · Action · Mechs

Goat Simulator
Shared: Simulation · Destruction · Action

Alien: Isolation
Shared: Sci-fi · Aliens · Action

Starpoint Gemini 2
Shared: Simulation · Sci-fi · Action

Destroy All Humans! 2 - Reprobed
Shared: Aliens · Sci-fi · Action-Adventure

Mecha BREAK
Shared: Action · Mechs · Sci-fi

Aliens: Dark Descent
Shared: Action · Sci-fi · Aliens

Titanfall® 2
Shared: Action · Sci-fi · Mechs

Elite Dangerous
Shared: Sci-fi · Simulation · Space

Starship Troopers: Extermination
Shared: Action · Sci-fi · Aliens

Deliver Us The Moon
Shared: Action · Sci-fi · Space

Angels Fall First
Shared: Action · Sci-fi · Simulation

EARTH DEFENSE FORCE 4.1 The Shadow of New Despair
Shared: Action · Sci-fi · Aliens