Games like A Dark Cave
Games like A Dark Cave include This War of Mine, Frostpunk, Oxygen Not Included, IXION, and Banished. We matched them by the tags players give A Dark Cave on Steam (Incremental, Colony Sim, Resource Management, Survival, and Simulation): closest matches first, and among equally close ones the better-known games.

This War of Mine
Shared: Survival · Choices Matter · Simulation

Frostpunk
Shared: Resource Management · Survival · Colony Sim

Oxygen Not Included
Shared: Colony Sim · Resource Management · Survival

IXION
Shared: Survival · Resource Management · Colony Sim

Banished
Shared: Colony Sim · Survival · Simulation

RimWorld
Shared: Colony Sim · Survival · Strategy

Kingdoms and Castles
Shared: Colony Sim · Resource Management · Simulation

Frostpunk 2
Shared: Resource Management · Survival · Simulation

Dawn of Man
Shared: Colony Sim · Survival · Simulation

Stranded: Alien Dawn
Shared: Survival · Simulation · Colony Sim

Cookie Clicker
Shared: Incremental · Idler · Resource Management

Factorio
Shared: Resource Management · Survival · Strategy

Dwarf Fortress
Shared: Colony Sim · Simulation · Strategy

The Pale Beyond
Shared: Resource Management · Survival · Choices Matter

Shelldiver
Shared: Incremental · Resource Management · Simulation

Space Haven
Shared: Colony Sim · Survival · Simulation

Scritchy Scratchy
Shared: Incremental · Resource Management · Simulation

Settlement Survival
Shared: Colony Sim · Survival · Simulation

Sixty Four
Shared: Incremental · Simulation · Resource Management

Life is Feudal: Forest Village
Shared: Colony Sim · Resource Management · Simulation

Nodebuster
Shared: Incremental · Simulation · Strategy

Foundation
Shared: Simulation · Resource Management · Strategy

Manor Lords
Shared: Simulation · Strategy · Resource Management

Against the Storm
Shared: Simulation · Strategy · Resource Management