Games like Mega Mall Story
Games like Mega Mall Story include Cities: Skylines, Prison Architect, Cities: Skylines II, Kingdoms and Castles, and Banished. We matched them by the tags players give Mega Mall Story on Steam (2D Platformer, Colony Sim, Sandbox, Dungeon Crawler, and City Builder): closest matches first, and among equally close ones the better-known games.

Cities: Skylines
Shared: City Builder · Sandbox · Management

Prison Architect
Shared: Sandbox · Colony Sim · Building

Cities: Skylines II
Shared: City Builder · Sandbox · Building

Kingdoms and Castles
Shared: Colony Sim · City Builder · Management

Banished
Shared: Colony Sim · City Builder · Sandbox

Transport Fever 2
Shared: Management · City Builder · Sandbox

Manor Lords
Shared: City Builder · Sandbox · Management

Foundation
Shared: City Builder · Sandbox · Management

Planet Zoo
Shared: Management · Sandbox · Building

Two Point Museum
Shared: Sandbox · City Builder · Building

RimWorld
Shared: Colony Sim · Sandbox · Management

Timberborn
Shared: Colony Sim · City Builder · Sandbox

Oxygen Not Included
Shared: Colony Sim · Building · Sandbox

Dwarf Fortress
Shared: Colony Sim · Sandbox · City Builder

Jurassic World Evolution
Shared: Building · Sandbox · Management

Settlement Survival
Shared: Colony Sim · City Builder · Building

Against the Storm
Shared: City Builder · Colony Sim · Building

Empires of the Undergrowth
Shared: Colony Sim · City Builder · Sandbox

Workers & Resources: Soviet Republic
Shared: City Builder · Colony Sim · Building

Jurassic World Evolution 2
Shared: Sandbox · Management · Building

Academia : School Simulator
Shared: Colony Sim · City Builder · Management

Planet Coaster
Shared: Sandbox · Management · Building

Stonehearth
Shared: Colony Sim · Sandbox · City Builder

Ostriv
Shared: City Builder · Colony Sim · Management