Games like Arcbound
Games like Arcbound include Oxygen Not Included, RimWorld, Prison Architect, Space Haven, and Frostpunk. We matched them by the tags players give Arcbound on Steam (Colony Sim, Simulation, Base Building, Space Sim, and Management): closest matches first, and among equally close ones the better-known games.

Oxygen Not Included
Shared: Colony Sim · Base Building · Building

RimWorld
Shared: Colony Sim · Base Building · Management

Prison Architect
Shared: Simulation · Colony Sim · Base Building

Space Haven
Shared: Colony Sim · Base Building · Simulation

Frostpunk
Shared: Colony Sim · Survival · Strategy

Manor Lords
Shared: Simulation · Base Building · Strategy

Against the Storm
Shared: Simulation · Base Building · Strategy

Dwarf Fortress
Shared: Colony Sim · Base Building · Simulation

Kingdoms and Castles
Shared: Colony Sim · Simulation · Management

Factorio
Shared: Base Building · Strategy · Management

Empires of the Undergrowth
Shared: Simulation · Base Building · Colony Sim

Planetbase
Shared: Colony Sim · Base Building · Simulation

Workers & Resources: Soviet Republic
Shared: Simulation · Base Building · Strategy

Stranded: Alien Dawn
Shared: Base Building · Simulation · Colony Sim

Dyson Sphere Program
Shared: Base Building · Simulation · Building

Norland
Shared: Simulation · Colony Sim · Base Building

Ostriv
Shared: Simulation · Colony Sim · Strategy

Settlement Survival
Shared: Colony Sim · Simulation · Building

Ratopia
Shared: Colony Sim · Base Building · Building

Captain of Industry
Shared: Base Building · Simulation · Management

Banished
Shared: Colony Sim · Simulation · Strategy

They Are Billions
Shared: Colony Sim · Base Building · Strategy

IXION
Shared: Colony Sim · Base Building · Strategy

Stonehearth
Shared: Colony Sim · Building · Simulation