Games like Demon Castle Story
Games like Demon Castle Story include Dungeon Village 2, Rise to Ruins, Stardew Valley, Prison Architect, and Touhou Mystia's Izakaya. We matched them by the tags players give Demon Castle Story on Steam (RPG, Casual, Simulation, Strategy, and Tower Defense): closest matches first, and among equally close ones the better-known games.

Dungeon Village 2
Shared: RPG · Simulation · Casual

Rise to Ruins
Shared: Tower Defense · Strategy · Colony Sim

Stardew Valley
Shared: RPG · Simulation · Pixel Graphics

Prison Architect
Shared: Simulation · Strategy · Colony Sim

Touhou Mystia's Izakaya
Shared: Casual · RPG · Simulation

Plants vs. Zombies GOTY Edition
Shared: Tower Defense · Strategy · Casual

Lessaria: Fantasy Kingdom Sim
Shared: Strategy · Simulation · City Builder

Banished
Shared: Simulation · Strategy · Colony Sim

SPORE™
Shared: Simulation · Colony Sim · Casual

METAL SLUG ATTACK RELOADED
Shared: Strategy · RPG · Tower Defense

Mini Motorways
Shared: Casual · Simulation · Strategy

Two Point Museum
Shared: Casual · Simulation · Strategy

TheoTown
Shared: Simulation · City Builder · Strategy

Bloons TD 6
Shared: Strategy · Tower Defense · Casual

Dragon Cliff
Shared: RPG · Strategy · Casual

Cities: Skylines
Shared: Simulation · City Builder · Strategy

Dream Town Island
Shared: Casual · Simulation · Strategy

Game Dev Tycoon
Shared: Simulation · Casual · Strategy

Amazing Cultivation Simulator
Shared: Simulation · RPG · Strategy

High Sea Saga DX
Shared: RPG · Simulation · Casual

Plebby Quest: The Crusades
Shared: Casual · RPG · Strategy

The Scroll of Taiwu : Beyond The Dome
Shared: RPG · Strategy · Simulation

Stonehearth
Shared: Colony Sim · City Builder · Strategy

Chinese Parents
Shared: Simulation · Casual · RPG