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Demon Castle Story Achievements · SteamPeaks

Apps Demon Castle StoryAchievements

Demon Castle Story

GameApp ID 4,212,210by Kairosoft Co.,LtdReleased 8 Feb 2026

WindowsEngine —

RPG Casual Simulation Strategy Tower Defense Colony Sim +14 +16

View on SteamSteamCompare Share

App ID4,212,210

Release date8 Feb 2026

Engine—

Install size112 MB

TypeGame

Last update9 Mar 2026

Steam DeckVerified

DLC0

DeveloperKairosoft Co.,Ltd

Changenumber38,720,687

Price—

Packages0

PublisherKairosoft Co.,Ltd

SystemsWindows

Followers—

Depots1

Compare this game

Demon Castle Story

Kairosoft Co.,Ltd
Released 8 Feb 2026·App 4212210

Steam user reviews

Very Positive

80.1%· 296 reviews

Recent Mostly Positive · 79%

SteamPeaks Rating

71.3 Positive

Recent 30 days 59.5

Playing now

22

+7 vs. yesterday

4.5%of peak

All-time peak

487

Feb 2026

Updated 12 Sep 2026, 22:20 UTCData by

Data

Price history Charts Patches Events Reviews Audience Estimates Availability

Technical

Metadata Packages DLC Depots1 Requirements Install size Configuration Cloud saves

Content

Achievements Community Media Related apps

History

Update history Store history

Everything

Achievements Overview Price history Charts Patches Events Reviews Audience Estimates Availability Metadata Packages DLC Depots1 Requirements Install size Configuration Cloud saves Community Media Related apps Update history Store history Full details

Every achievement on record

Achievements

18 achievements

Become a Star!
Proof of defeating Kairobot Stars
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The Demon Castle Story Continues
Proof of longstanding efforts in Demon Castle’s development
—
Ultra-Strong Demon Castle
Proof of achieving 5-Star Demon Castle
—
Energetic Demon Castle
Proof of achieving 3-Star Demon Castle
—

SteamPeaks.com

Growing Demon Castle

Proof of achieving 1-Star Demon Castle

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Isn’t it too big!?

Proof of L-Size Monster becoming your companion

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Unknown Encounter

Proof of Monster Merge for the first time

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First Companion

Proof of obtaining your first monster companion

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Hero VS Overload

Proof of defeating Lone Hero

—

Come back after training!

Proof of defeating First-Aid Aces

—

Looking forward to your next visit

Proof of defeating Sightseers

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Mystique is Power!

Proof of exceeding 10000 in Castle Mystique

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Wide and Comfortable!

Proof of expanding the Demon Castle to the maximum

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Trap Expert

Proof of exceeding Total Trap Lv.50

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Take care of the money!

Proof of exceeding 1000 in Loot Level

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Let’s keep having awesome adventures!

Proof of placing monster for the first time

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Monsterpedia Complete!

Proof of completing 100% of the Monsterpedia

—

The Last Hope of Humanity

Proof of adventurer Kairobot’s appearance

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Names, descriptions and icons are the game’s own, as Steam publishes them.