Games like The Fifth Expedition
Games like The Fifth Expedition include Rain World, PUBG: BATTLEGROUNDS, This War of Mine, Ultimate Custom Night, and METRO Last Light Redux. We matched them by the tags players give The Fifth Expedition on Steam (Survival, Strategy, Action, Indie, and Early Access): closest matches first, and among equally close ones the better-known games.

Rain World
Shared: Survival · Atmospheric · Indie

PUBG: BATTLEGROUNDS
Shared: Survival · Action · Strategy

This War of Mine
Shared: Survival · Strategy · Atmospheric

Ultimate Custom Night
Shared: Strategy · Survival · Difficult

METRO Last Light Redux
Shared: Action · Atmospheric · Post-apocalyptic

Frostpunk
Shared: Survival · Strategy · Post-apocalyptic

Don't Starve Together
Shared: Survival · Indie · Difficult

Feed and Grow: Fish
Shared: Survival · Action · Early Access

Infection Free Zone
Shared: Strategy · Survival · Post-apocalyptic

S.T.A.L.K.E.R. 2: Heart of Chornobyl - Standard Edition
Shared: Survival · Atmospheric · Post-apocalyptic

FTL: Faster Than Light
Shared: Strategy · Indie · Sci-fi

The Long Dark
Shared: Survival · Atmospheric · Indie

Pacific Drive
Shared: Survival · Atmospheric · Sci-fi

Barotrauma
Shared: Survival · Strategy · Sci-fi

The Final Station
Shared: Survival · Indie · Action

The Escapists
Shared: Strategy · Indie · Action

Cosmoteer: Starship Architect & Commander
Shared: Sci-fi · Strategy · Indie

Endzone - A World Apart
Shared: Survival · Strategy · Indie

RimWorld
Shared: Survival · Strategy · Sci-fi

Metro Exodus
Shared: Action · Post-apocalyptic · Atmospheric

Kenshi
Shared: Survival · Post-apocalyptic · Strategy

Miscreated
Shared: Survival · Action · Post-apocalyptic

Deadlight
Shared: Action · Indie · Atmospheric

ZERO Sievert
Shared: Survival · Post-apocalyptic · Action