Demon Castle Story Switch 2 Review
Version Reviewed: Nintendo Switch 2
I first stumbled upon the wonderful world of Kairosoft games during my first trip around Australia. I had Game Dev Story on my iPhone, and I simply could not put it down. That trend continued for years, with Kairosoft consistently delivering games built on simple yet addictive gameplay loops, charming pixel art visuals, and boppy music across a wide range of genres, from management and building sims to everything in between. Now, for the first time ever, Kairosoft has developed a game for the Nintendo Switch 2 in the form of Demon Castle Story, letting you build and manage a castle for evil. What’s it like? Grab your pitchfork, set some traps, and manage your finances as we review Demon Castle Story for Nintendo Switch 2.
Demon Castle Story casts you as an evil overlord tasked with restoring an abandoned castle to its former glory. To achieve this, you must build up both your mystique and treasure levels to lure adventurers into your domain. Once they arrive, you defeat them and steal their gold to further improve your castle. It is essentially Kairosoft’s take on one of my favourite franchises, Dungeons, which itself draws inspiration from Dungeon Keeper.
You begin with only a handful of traps and monsters at your disposal. Carefully placing them and hoping for the best is part of the early challenge. Your character, the overlord, is typically the most powerful unit in your castle. However, if they are defeated, you lose half your gold, and the castle gates temporarily close, giving you time to regroup and rebuild. The core gameplay loop follows the familiar Kairosoft formula, and that is a very good thing. There is plenty to do and manage without ever feeling overwhelmed. You can research traps to increase their damage and unlock additional placements, send monsters on expeditions to uncover treasure and recruit new allies, and eventually use castle tactics and monster melding to create entirely new monstrosities to guard your riches.
As is customary in Kairosoft titles, a governing body evaluates your progress. To rank up, you must meet specific criteria and convince inspectors to explore your castle. If you defeat them, you earn higher rankings, unlocking new features, additional gold, and, of course, glory. I will admit to some bias here, as I simply love these games. I tend to burn through them in a day or two before revisiting them later, and this addictive gameplay loop makes Demon Castle Story incredibly difficult to put down. There are numerous ways to approach castle design. Early on, I structured my dungeon like a series of stages for incoming invaders. My initial setup featured a slime room, followed by a swamp filled with high-defence turtles, then a haunted forest, and finally the overlord’s chambers. Traps were scattered between each area, and the strategy worked well… until adventurers levelled up and began to overwhelm my defences.
I went back to the drawing board and managed to recruit a dragon and built a dedicated chamber filled with decorations that boosted its attack and defence, essentially making it a final boss character. This proved successful for a time, but as adventurers continued to grow in both strength and numbers, my profits began to stagnate despite earning solid monster points. Determined to adapt, I redesigned my castle once more. Thanks to the intuitive removal and building tools, I was able to restructure the front section into a souvenir room complete with save points and healing fountains. This allowed me to earn legitimate gold before unleashing a gauntlet of punching traps to pummel adventurers, knocking most of them down and avoiding combat altogether. Any adventurers who survived would then face my monsters, creating a highly effective system for maximising both profits and fun. The inclusion of save points meant many invaders were defeated twice, providing an extra financial boost. It is this sense of ownership and strategic flexibility that kept me hooked, leading to a marathon playthrough that culminated in earning a five-star rating and “finishing” the game. Upon completion, you can select one monster to accompany you into New Game Plus, encouraging you to start all over again with fresh possibilities.
All of this is brought to life through Kairosoft’s signature pixel art style, which is bursting with charm and personality. The vibrant sprites and return of fan favourites give Demon Castle Story a timeless appeal, perfectly complementing its light-hearted and cheeky tone. The Nintendo Switch 2 version also features 4K resolution in docked mode. While this may seem somewhat superfluous for a pixel-art title, it’s nice that Kairosoft included it. The game also supports mouse mode, which worked well in practice. However, as a seasoned Kairosoft player, I ultimately preferred the standard controls, which felt more natural and intuitive.
My main issue with the visuals arose during monster expeditions. The lower third of the screen is dedicated to tracking their progress, which is generally useful. However, pop-ups and notifications often appear just above this area, occasionally obscuring the view and making it difficult to select units or place objects. It does not break the experience, but it proved frustrating more times than I care to admit. Aside from this minor inconvenience, the game performed well. I encountered no bugs or crashes during my time with it, and everything ran smoothly. The only exceptions occurred when placing an exceptionally large number of objects at once, which caused a slight hitch as they appeared on screen. These moments were rare, occurring only twice while constructing an enormous treasure room that occupied nearly half of my castle.
For my overlords looking into accessibility, there are none to speak of. As always, I recommend conducting further research to determine whether Demon Castle Story suits your individual needs. Thankfully, like most titles from Kairosoft, a demo is available, allowing you to try before you buy. At $24 AUD, Demon Castle Story will keep you glued to your screen for around 10 hours as you complete the main objective and see out your first 16 in-game years. I am somewhat on the fence about the Nintendo Switch 2 upgrades. While the additions are nice, they are not strictly necessary. Still, I had a fantastic time, as I do with nearly every Kairosoft title I play. Demon Castle Story is a fun and mischievous adventure that serves as an excellent palate cleanser between heavy-hitting AAA releases. Kairosoft does not stray too far from its established formula. Instead, the studio plays to its strengths, delivering yet another charming and lighthearted experience that is incredibly difficult to put down.
So, What’s It Like? Demon Castle Story is Kairosoft’s take on Dungeons.
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Demon Castle Story
PROS
- Captures the usual Kairosoft fun
- Planning and streamlining traps keeps it interesting
- New Game
CONS
- Switch 2 pricing seems unnecessary




