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Sengoku Voxel Castle With Zundamon

Sengoku Voxel Castle With Zundamon

Build castles on voxel terrain based on real Japanese geographic data, and defeat over 1,000 samurai and ninja enemies. Shape the terrain freely using blocks. The game features over 100 technologies and buildings inspired by medieval Japanese history.

Released Dec 6, 2024 Developer KC Project Platforms Windows Early AccessStrategyRTSVoxelTower Defense
View on Steam ↗ $12.99 (US · as of 2026-05-18)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-26.

95.8%positive118 reviews
Recommended · 16 found this helpful

“I like watching all the little Zundamons run around”

— a player, Steam review · 11 hrs played
Recommended · 6 found this helpful

“A bit janky but pretty fun game. I really like the season system”

— a player, Steam review · 2 hrs played
Recommended · 4 found this helpful

“This unironically satisfies me more than any other real-time-strategy wave defence game. Zundamon and Kiritan just makes it better.”

— a player, Steam review · 12 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. History through 2026-08 via SteamCharts; self-collected from the Steam API since Aug 2026.

73all-time peak
0 25 50 2025 2026 27 avg · Jan 2025

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.

60achievements
35.0%median completion
0.1%rarest: Trial 7 Clear (Insane)
92.0% of players 91.9% of players 91.6% of players 86.8% of players 81.2% of players 76.2% of players 75.4% of players 75.2% of players 73.5% of players 72.6% of players 65.0% of players 64.0% of players 58.3% of players 57.3% of players 57.0% of players 55.4% of players 52.6% of players 51.7% of players 47.7% of players 45.6% of players 45.6% of players 43.8% of players 42.3% of players 41.6% of players 39.4% of players 39.3% of players 39.3% of players 37.5% of players 35.7% of players 35.1% of players 35.0% of players 34.0% of players 28.4% of players 25.8% of players 23.5% of players 17.5% of players 7.5% of players 4.9% of players 4.2% of players 3.1% of players 1.8% of players 1.0% of players 1.0% of players 1.0% of players 0.8% of players 0.7% of players 0.6% of players 0.6% of players 0.5% of players 0.5% of players 0.4% of players 0.3% of players 0.3% of players 0.2% of players 0.2% of players 0.2% of players 0.1% of players 0.1% of players 0.1% of players 0.1% of players 92.0% 0% most earned rarest
Almost everyone has
92.0%FirsWin! — The first time you drove the enemy away!
91.9%First Defeat — You defeated an enemy for the first time.
91.6%First Soldier — You deployed your first soldier.
Rarest badges of honor
0.1%Trial 7 Clear (Insane) — Cleared Trial 7 on Insane difficulty.
0.1%Trial 5 Clear (Insane) — Cleared Trial 5 on Insane difficulty.
0.1%Trial 3 Clear (Insane) — Cleared Trial 3 on Insane difficulty.

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Jul 11, 2026
ver. 0.925 – Quest System and Mansion Relocation Officially Released

Zundamon Castle receives another major update! The Quest System, previously available only in ver. 0.9 Beta, has now been officially released. This update also includes major changes to Barracks, Mans

Jun 13, 2026
ver. 0.9 Beta – Added Quest System & External Factions

ver. 0.8 added the ocean system, and ver. 0.9 added quests and external factions. Below are the updates made during that period. The quest system in ver. 0.9 is currently available only in the beta ve

Feb 09, 2026
Minor Feature Additions & Bug Fixes

【Feature Additions & Specification Adjustments】 Idle Zundamon will now communicate with nearby labor Zundamon. Added a feature that displays the name of the block under the cursor in the bottom-right

Feb 02, 2026
ver0.701 Major Update: Implementation of Real-World–Based Soils!

【Content Additions & Specification Changes】 Added around 50 types of soil and rock blocks. Fertility has been assigned to each soil type. Set fertility impact values for each crop. For example, soybea

Jan 18, 2026
β Update: Realistic Soil and Rock, Bug Fixes, and Specification Changes

A test implementation has been added where ground blocks change when creating a new map, based on real-world japan rock and soil data. Originally, this feature was planned to be implemented after furt

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-09-26.

GenresIndie, Simulation, Strategy, Early Access
Player tagsEarly Access · Strategy · RTS · Voxel · Tower Defense · Medieval · Sandbox · City Builder · Real Time Tactics · Wargame · Colony Sim · Political Sim (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Steam Workshop · Family Sharing
LanguagesEnglish * , Simplified Chinese * , Japanese * *
Achievements60
Minimum system requirements (PC)

Minimum: OS: Windows10 Memory: 4 GB RAM Storage: 1 GB available space