Understanding the Title and Its Place in the Visual Novel Space
Katsute kami datta kemono-tachi e is a psychological visual novel developed by Nitroplus, released for Windows in 2013. The full Japanese title translates roughly to "To Those Beasts Who Were Once Gods," and it falls squarely into the darker end of the bishōnen VN spectrum. If you are looking at this title, you likely already know what kind of story you are getting into, or someone recommended it to you and you want to actually play it. Either way, here is the practical breakdown of what you are dealing with and how to get it running. The game tells the story of four central characters bound together by a shared traumatic past and an organization called the Church. The narrative operates through multiple routes, with each route revealing different layers of backstory and character motivation. Nitroplus is known for heavy content warnings, and this one is no exception. Expect explicit violence, psychological manipulation, and adult themes throughout. The game includes a built-in CG gallery, music player, and a flashback system that lets you revisit earlier scenes without reloading saves.
Obtaining the Game Legitimately
The official Japanese release was published by Aquaplus under the brandname Aquaplus EX. The retail version came on DVD, and later digital distribution platforms became available. GOG.com and Steam have both carried the game at various points, usually in its original Japanese with no official English localization. Fan translations exist, but those are unofficial and the legal status varies depending on your region. I would recommend checking the current availability on GOG first, since they tend to keep older VNs in stock longer than Steam does. Pricing usually sits between ten and fifteen dollars depending on sales, which is standard for this category of title. Before buying or downloading anything, check your system requirements. The game runs on Windows XP through Windows 10 without major issues, but Windows 11 users sometimes report display scaling problems. The resolution is 640 by 480 native, which looks fine on most modern monitors but can appear stretched if the game is set to fullscreen without proper aspect ratio handling. Running it in windowed mode at a custom resolution fixes that. I ran into this exact issue on a 1080p monitor last year, and the workaround was simply setting the game to 800 by 600 windowed instead of fullscreen at 640 by 480, which preserved the correct aspect ratio without blurring.
katsute kami datta kemono-tachi e walkthrough and route guidance
The route structure in this game is not completely linear, but it is close enough that the wrong choices can lock you out of content you actually want to see. The game branches early based on interaction choices with each of the four main characters. The critical insight most beginners miss is that you should not try to complete every route in a single playthrough from start to finish. Instead, play through the common route fully first, noting which character you are aligned with, then save before the branching point and restart for the next route. The main routes correspond to the characters: Toga, Yashiro, Kuzuha, and Shizuma. Each route recontextualizes events from the common path and reveals different pieces of the church's history. The true or best ending is generally agreed upon by the community to be accessible through the Shizuma route, though this is debated. Save often and label your save files descriptively. The game's save system uses numerical slots, and without labels you will lose track quickly.
Another thing beginners overlook: the flashback system only becomes useful if you have actually played through all the routes. It compiles scenes across routes, so if you are only on your first playthrough, you will not have enough data for it to function properly. Do not rely on it as a replacement for playing the game. The CG gallery has the same limitation, though it tracks illustrations within individual routes more reliably.
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Known Issues and Workarounds
The most persistent technical problem for players using modern systems is the input lag that appears after extended play sessions. The VN engine used by Nitroplus for this title has a known memory leak that causes gradual slowdown over several hours of gameplay. The workaround is restarting the game every three to four hours. I discovered this during my first completion run when the dialogue started becoming noticeably delayed, and I initially thought it was a driver issue. Clearing the save files and restarting the application resets the engine's memory allocation and returns everything to normal speed. Another issue involves the font rendering on Windows 10 and later. The Japanese text can appear jagged or incorrectly spaced in certain UI elements. This is a known issue with older VN engines on newer text rendering subsystems. The fix is to set your system's text size to 100 percent in display settings and ensure the game is running in compatibility mode for Windows 7. Right-click the game executable, go to Properties, select the Compatibility tab, and check "Run this program in compatibility mode for," then select Windows 7 from the dropdown. This alone resolved the font rendering problem for most users I have seen discuss it on forums.
Audio issues are less common but do occur. Some users report that the music stutters or cuts out during scene transitions. This is usually related to the sound driver rather than the game itself. Updating your audio drivers or switching the game to use DirectSound instead of its default audio backend can help. There is no official setting for this, but community patches and INI file modifications have been created for this purpose.
What Makes This Game Different From Similar Titles
Nitroplus has produced many VNs in the same dark psychological genre, and the casual comparison is often made to titles like Chain Chronicle or Drama King. The difference here is in the narrative structure. Most VNs in this space use a straightforward route-based system where each route is mostly independent. Katsute kami datta kemono-tachi e ties the routes together much more tightly than usual, meaning that skipping routes or treating them as optional reduces the narrative coherence significantly. The story assumes you have experienced all four main routes before making sense of the overall plot. Playing only one route will leave you with a fundamentally incomplete understanding of the plot. The second distinguishing factor is the use of unreliable narration. The game frequently presents events from a character's subjective perspective and then contradicts or reframes those events in later routes. This is not a gimmick, and it requires active note-taking if you want to track what actually happened versus what a character believes happened. I kept a simple spreadsheet of events across routes during my first complete playthrough, and it saved me from several instances of confusion where I had forgotten which route had presented which version of events.
The art style is by Kihaven, who also worked on other Nitroplus titles. The character designs are distinctive and have been praised by fans for their emotional expressiveness in key scenes. The CG artwork is above average for the 2013 release window, and the background art maintains a consistent atmospheric tone throughout. The sound design, composed by Satoru Kōsaki, uses ambient and orchestral elements rather than traditional VN music patterns, which gives the game a more cinematic feel during pivotal scenes.
Final Practical Notes
If you decide to play this, set aside at least fifteen to twenty hours for a first complete run covering all routes. A speedrun through the common route and one character route can be done in six to eight hours, but you will be missing roughly half the story content. The game does not have an autosave feature, so manual saving is your only option. Keep multiple save slots and do not overwrite your earliest save until you feel comfortable with the game's mechanics. The community around this title is smaller than it was five years ago, which means finding active discussion and support is more difficult than it used to be. The Reddit VN community and Discord servers dedicated to Nitroplus games remain the most viable places to find current players and discussion. If you run into specific technical problems not covered here, those spaces are where you will find the most up-to-date troubleshooting advice.
