Games like Steel Shell
Games like Steel Shell include PRAGMATA, Mass Effect (2007), HELLDIVERS™ 2, ICEY, and Mass Effect™ Legendary Edition. We matched them by the tags players give Steel Shell on Steam (Action, Third-Person Shooter, Female Protagonist, Space, and Sci-fi): closest matches first, and among equally close ones the better-known games.

PRAGMATA
Shared: Action · Third-Person Shooter · Sci-fi

Mass Effect (2007)
Shared: Action · Sci-fi · Third-Person Shooter

HELLDIVERS™ 2
Shared: Third-Person Shooter · Action · Sci-fi

ICEY
Shared: Action · Female Protagonist · Anime

Mass Effect™ Legendary Edition
Shared: Sci-fi · Space · Third-Person Shooter

Tomb Raider Game of the Year
Shared: Action · Female Protagonist · Third-Person Shooter

STAR WARS™ Battlefront™ II
Shared: Third-Person Shooter · Space · Action

Warhammer 40,000: Space Marine 2
Shared: Action · Third-Person Shooter · Sci-fi

STAR WARS™ Battlefront II (Classic, 2005)
Shared: Action · Third-Person Shooter · Sci-fi

Snowbreak: Containment Zone
Shared: Third-Person Shooter · Action · Anime

Star Wars Outlaws
Shared: Action · Female Protagonist · Sci-fi

Binary Domain
Shared: Action · Third-Person Shooter · Sci-fi

The Callisto Protocol™
Shared: Third-Person Shooter · Sci-fi · Space

Bright Memory: Infinite
Shared: Action · Female Protagonist · Sci-fi

Bright Memory
Shared: Female Protagonist · Action · Sci-fi

Warframe
Shared: Third-Person Shooter · Action · RPG

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

Chorus
Shared: Action · Space · Female Protagonist

Dead Space
Shared: Third-Person Shooter · Space · Sci-fi

NieR:Automata™
Shared: Action · Female Protagonist · RPG

The Killing Antidote
Shared: Female Protagonist · Third-Person Shooter · Action

Starward
Shared: Action · Female Protagonist · Third-Person Shooter

Rise of the Tomb Raider™
Shared: Action · Female Protagonist · Adventure

Gears 5
Shared: Action · Third-Person Shooter · Female Protagonist