Games like Server-Admin Simulator
Games like Server-Admin Simulator include Cities: Skylines, RimWorld, Prison Architect, Game Dev Tycoon, and Bloons TD 6. We matched them by the tags players give Server-Admin Simulator on Steam (Simulation, Strategy, Sandbox, 2D, and Dark): closest matches first, and among equally close ones the better-known games.

Cities: Skylines
Shared: Simulation · Strategy · Sandbox

RimWorld
Shared: Strategy · Sandbox · Simulation

Prison Architect
Shared: Simulation · Sandbox · Strategy

Game Dev Tycoon
Shared: Simulation · Strategy · Management

Bloons TD 6
Shared: Strategy · Co-op · Online Co-Op

The Escapists 2
Shared: Strategy · 2D · Simulation

鬼谷八荒 Tale of Immortal
Shared: Simulation · Sandbox · Management

Planet Coaster
Shared: Simulation · Sandbox · Strategy

Cities: Skylines II
Shared: Simulation · Sandbox · Strategy

Anno 1800
Shared: Strategy · Simulation · Sandbox

Jurassic World Evolution
Shared: Simulation · Strategy · Sandbox

Oxygen Not Included
Shared: 2D · Simulation · Sandbox

Planet Coaster 2
Shared: Simulation · Strategy · Sandbox

Totally Accurate Battle Simulator
Shared: Simulation · Sandbox · Strategy

Tropico 6
Shared: Strategy · Simulation · Sandbox

Factorio
Shared: Sandbox · Strategy · Management

Transport Fever 2
Shared: Simulation · Strategy · Management

Jurassic World Evolution 2
Shared: Simulation · Sandbox · Strategy

Tropico 5
Shared: Strategy · Simulation · Sandbox

Project Highrise
Shared: Simulation · Strategy · Management

Manor Lords
Shared: Strategy · Simulation · Sandbox

Sins of a Solar Empire®: Rebellion
Shared: Simulation · Management · Strategy

Crusader Kings III
Shared: Strategy · Simulation · Sandbox

Two Point Hospital
Shared: Simulation · Strategy · Management