Updated Aug 19, 2026 · v1.1.3
A question-and-answer format with 800 questions and explanations for every question. Pass the Level 2 Japanese Castle Certification Exam in your spare time.
■Japan Castle Certification Level 2: Question and Answer — Challenge yourself to the pinnacle of castles with 800 questions For those seriously aiming to pass the Japan Castle Certification Level 2 exam. This learning app systematically covers all 800 questions, from castle towers, stone walls, and layouts to the 100 Famous Castles and the 100 Continued Famous Castles. The SM-2 algorithm ensures you acquire the necessary knowledge for passing the exam in the shortest possible time. ◆ Recommended for: * Those aiming to pass the Level 2 Japanese Castle Certification Exam * Those wanting to step up from Level 3 to Level 2 * Those wanting to conquer the 100 Famous Castles of Japan and the Continued 100 Famous Castles * Those wanting to deepen their expertise in castle towers, stone walls, and fortifications ◆ 800 Carefully Selected Questions—Systematically Covering the Scope of the Level 2 Japanese Castle Certification Exam 【Castle History ①】60 Questions The origins of castles and fortifications in ancient and medieval times (moated settlements, fortifications, mountain castles), mountain castles and fortifications in the Kamakura and Nanboku-cho periods, the development of castles and representative castles in the Sengoku period, Sengoku daimyo and their castles (Takeda, Uesugi, Mori, Shimazu, etc.), Azuchi Castle and Oda Nobunaga's castle innovations, classification and forms of castles (mountain castles, hill castles, flatland castles, encampments)—systematically prepares you for Castle History ①. [The History of Castles ②] 60 Questions Total This course systematically prepares you for the history of castles, covering topics such as the Toyotomi regime and castle construction (Osaka Castle, Jurakudai, Fushimi Castle), the Battle of Sekigahara and castles (confiscation of domains, transfer of domains, new construction), castles and legal systems in the Edo period (One Castle Per Province Decree, Laws for the Military Houses), the Sankin-kotai system and the development of castle towns, castles in the late Edo period, Western-style fortifications and modern defensive facilities, and the castle demolition decree and castles after the Meiji Restoration. [Fortification and Defense ①] 50 Questions Total This section systematically covers the following topics related to fortification and defense: Fortification styles (concentric, interconnected, stepped, and spiral), types and functions of enclosures (main keep, second enclosure, third enclosure, belt enclosure, and lower enclosure), types and functions of gates (main gate, rear gate, and staggered gate), types and functions of masugata and umadashi (inner masugata, outer masugata, round umadashi, and square umadashi), the role of fortifiers and representative fortifiers (Todo Takatora, Kato Kiyomasa, etc.). [Fortress Layout and Defense ②] 50 Questions Total Types and Functions of Moats (Water Moats, Dry Moats, Horizontal Moats, Vertical Moats, Shoji Moats), Comparison and Distribution of Earthworks and Stone Walls, Utilization of Topography in Mountain Castles (Combinations of Cut Slopes, Moats, and Vertical Moats), Characteristics and Defensive Facilities of Coastal and Water Castles (Takamatsu Castle, Imabari Castle, etc.), Names and Functions of Various Parts of a Castle (Palace, Storehouse, Water Supply, etc.) — Systematically prepare you for Fortress Layout and Defense ②. [Forms of Castle Towers] 50 Questions Total Structural Forms of Castle Towers (Independent, Complex, Connected, Linked), Characteristics and Development of Watchtower and Layered Tower Types and Representative Castles, Forms, Locations, and Characteristics of 12 Existing Castle Towers, Types of Gables (Chidori Gable, Kara Gable, Kirizuma Gable, Irimoya Gable), Attached Buildings and Decorations of Castle Towers (Shachi, Kakegyo, Types of Tiles) — Systematically prepare you for the forms of castle towers. [Construction and Stone Walls ①] 60 Questions Total This course systematically prepares you for "Construction and Stone Walls ①," covering topics such as the evolution of stone wall construction methods (rough masonry, fitted masonry, cut masonry) and their correspondence to different eras and castles, the names of different parts of a stone wall (sanuki masonry, headband stone wall, waistband stone wall, base stone, top stone), stone quarrying and processing techniques (arrow holes, chiseling, blinds, carved patterns), the ranking of high stone walls and their slopes, regional differences in stone walls and castle construction techniques (Satsuma, Kato Kiyomasa's stone walls, etc.), and the collapse and repair of stone walls and the historical evolution of sanuki masonry. [Construction and Stone Walls ②] 60 Questions Total This section systematically covers Construction and Stone Walls ②, including: construction methods and examples from various regions of earthworks (earthen ramparts, moats, embankments, and cut earthworks); the history and mobilization system of nationwide construction projects (Edo Castle, Sunpu Castle, Nagoya Castle, etc.); the role of construction magistrates and master carpenters (Nakai Masakiyo, etc.); water sources (wells, ponds, and waterways) and water supply for castles; procurement and transportation of building materials (stone hauling, timber production areas and routes); and castle renovation and demolition (examples of castle demolition after the "One Castle Per Province" decree). [Famous Castles of Eastern Japan ①] 50 Questions Total This systematically prepares you for questions on the famous castles of Eastern Japan ①, including: 100 Famous Castles of Hokkaido and Tohoku (Goryokaku, Hirosaki Castle, Sendai Castle, Aizuwakamatsu Castle, etc.), 100 Famous Castles of Kanto I (Edo Castle, Odawara Castle, Ashikaga Clan Residence, Minowa Castle, Kawagoe Castle), 100 Famous Castles of Kanto II (Hachigata Castle, Hachioji Castle, Takiyama Castle, Iwadono Castle, etc.), 100 Famous Castles of Koshinetsu (Matsumoto Castle, Ueda Castle, Komoro Castle, Takato Castle, Kasugayama Castle), and 100 Famous Castles of Hokuriku (Maruoka Castle, Kanazawa Castle, Nanao Castle, Masuyama Castle). [Famous Castles of Eastern Japan ②] 60 Questions Total This course systematically prepares you for questions on the 100 Famous Castles of Eastern Japan, Part 1 (Nagoya Castle, Gifu Castle, Komakiyama Castle, Nagashino Castle, Hamamatsu Castle), Part 2 (Kakegawa Castle, Sunpu Castle, Yamanaka Castle, Takane Castle, etc.), Part 1 (Hikone Castle, Azuchi Castle, Kannonji Castle, Omizo Castle), Part 2 (Osaka Castle, Nijo Castle, Takatori Castle, Chihaya Castle, Iimoriyama Castle), Part 3 (Sasayama Castle, Takeda Castle, Konosumiyama Castle, Sumoto Castle, Akashi Castle), and the Castle Culture of Eastern Japan (Characteristics of castles of the Takeda, Uesugi, Tokugawa, etc.). [Famous Castles of Western Japan ①] 60 Questions Total This systematically prepares you for the Famous Castles of Western Japan ①, covering: 100 Famous Castles of the Chugoku Region I (Himeji Castle, Akō Castle, Bitchū Matsuyama Castle, Tsuyama Castle, Mihara Castle), 100 Famous Castles of the Chugoku Region II (Matsue Castle, Yonago Castle, Gassan Tomita Castle, Tsuwano Castle, Hagi Castle), Characteristics of Castles in the Chugoku Region (Castles associated with the Mōri, Amago, and Yamana clans), 100 Famous Castles of Shikoku I (Matsuyama Castle, Imabari Castle, Kōchi Castle, Marugame Castle, Uwajima Castle), 100 Famous Castles of Shikoku II (Tokushima Castle, Awa Castles, Shikoku Coastal Castles), and Castles in the Seto Inland Sea Region (Characteristics and Representative Castles of Coastal Castles and Naval Castles). [Famous Castles of Western Japan ②] 60 Questions Total This course systematically prepares you for the Famous Castles of Western Japan ②, covering topics such as: 100 Famous Castles of Kyushu I (Kumamoto Castle, Shimabara Castle, Fukuoka Castle, Karatsu Castle, Saga Castle), 100 Famous Castles of Kyushu II (Obi Castle, Kagoshima Castle, Hitoyoshi Castle, Oka Castle, Kitsuki Castle), Okinawan Gusuku (characteristics of Shuri Castle, Nakijin Castle, Nakagusuku Castle, Zakimi Castle), comparison of Gusuku and mainland castles (differences in stonework techniques and layout), castles of Kyushu and the Southwest Islands and their foreign relations (castles of Ryukyu, Tsushima, and Satsuma), and the castle culture of Western Japan (characteristics of castles of the Mori, Shimazu, and Chosokabe clans, etc.). [Continued 100 Famous Castles ①] 60 Questions Total This systematically prepares you for the Continued 100 Famous Castles ①, covering: Eastern Japan's Continued 100 Famous Castles I (Nejo, Tagajo, Wakimotojo, Kubotajo, etc.), Eastern Japan's Continued 100 Famous Castles II (Nanao Castle, Naegi Castle, Iwamura Castle, Murakami Castle, etc.), Continued 100 Famous Castles associated with the Takeda and Uesugi clans (Kaizu Castle, Tsutsujigasaki-kan, etc.), Medieval Mountain Castles of the Continued 100 Famous Castles (Kinojo, Miki Castle, Takatenjin Castle, etc.), Kanto's Continued 100 Famous Castles (Ishigakiyama Castle, Kururi Castle, Sugaya-kan, etc.), and Chubu/Kinki's Continued 100 Famous Castles (Ueno Castle, Yagami Castle, Koriyama Castle, etc.). [Continued 100 Famous Castles ②] 60 Questions Total This systematically prepares you for the Continued 100 Famous Castles ②, covering the castles of the Chugoku region (Izushi Castle, Tsuwano Castle, Bitchu Takamatsu Castle, etc.), the Shikoku region (Okotoyo Castle, Hikida Castle, Takamatsu Castle area), Kyushu's Continued 100 Famous Castles I (Usuki Castle, Obi Castle, Shibushi Castle, Chiran Castle, etc.), Kyushu's Continued 100 Famous Castles II (Saiki Castle, Oka Castle, Kitsuki Castle, Tomioka Castle, etc.), the castles associated with the Toyotomi regime (Ishigakiyama Castle, Oshi Castle, etc.), and the characteristics of the castle layouts and their cultural value. [Castles and Cultural Properties] 60 Questions Total Detailed comparison of the five National Treasure castle keeps (Himeji, Matsumoto, Inuyama, Hikone, Matsue), a list of important cultural property castle buildings and their number, the Castle Abolition Order (1873) and the history of castle building preservation, the structure and characteristics of castle towns (samurai districts, merchant districts, temple and shrine districts), names of various parts of castle buildings (Tamon-yagura, Sumi-yagura, Watari-yagura, Taiko-mon, Koraimon), castles and festivals, beliefs, and culture (shrines and temples in castle towns, beliefs in military fortune, the cultural value of castles)—systematically prepare you for the Castles and Cultural Properties exam. Each question has four choices and a detailed explanation directly relevant to exam preparation. You can steadily improve your scoring ability while understanding "why" things are the way they are. ◆ SM-2 Spaced Repetition (Spaced Repetition Learning) The scientifically proven SM-2 algorithm automatically schedules review sessions. * Correctly answered questions are reviewed at gradually longer intervals, efficiently transferring them to long-term memory. * Incorrectly answered questions are re-presented at shorter intervals, focusing on reinforcing weak points. * The app manages "when and what to review," so all you have to do is open it and answer every day. ◆ Learning Tools to Aid Memory 【Notes】Write down how to remember each question to create your own personalized reference book. 【Bookmarks】Register difficult questions with one tap and review them intensively from your bookmarks. 【Random Questions】Shuffle questions across different areas. Prevents rote memorization and cultivates real-world performance. ◆ Progress Management to Boost Motivation 【Learning Streak】Records consecutive learning days to encourage habit formation. 【Learning Record】Visualizes the number of answers and completed questions. 【Achievement Animation】Celebrates with confetti when all questions are answered correctly. ◆ Smart Notifications to Never Forget Review Set reminders at your preferred time. Notifications display "Number of Questions to Review Today." ◆ Try it for Free First Start immediately without registration or payment. Those who wish to study all questions can upgrade to Premium with the "Unlock All Questions" or "Ad Removal + Unlock All Questions" bundle. Whether for last-minute cramming before the exam or for daily study, this systematic learning program of 800 questions will ensure your success in the Japanese Castle Certification Level 2 exam.
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