7821 Akuji
CatBiteStudios · 2025 · Immersive Sim, Submarine, Simulation, Underwater, Walking Simulator
PC
4 user reviews100% · 4
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About 7821 Akuji
7821 Akuji is a short, liminal horror experience where you pilot a makeshift submarine inside a liquid filled asteroid, searching for a lost science crew.
Emergency Log Entry 00Something is up, power went off hours ago. Backups didn't kick in. Everything is dark and my o2 allocation is running out. What is going on? Door controls are dead and I hear nothing outside. I hope someone gets this door open soon. My head is starting to ache… . Hope this isn't my last log.
Emergency Log Entry 01I’m pretty sure I blacked out from the lack of oxygen. Barely awake when some Enforcers dragged me to the bridge and gave me two choices: accept a brain wipe for the last few weeks and return to Galene, or pilot some… submersible they made to find a lost science crew?I know what those brain wipes did to other people, I ain’t gonna risk it. Plus Riley was assigned to the science crew - and if I succeeded in this task I was promised a 3rd class citizenship. Easy choice. Back in my room now. They left an o2 canister. At least I can breathe.Emergency log entry 02I can hear them coming for me. If I can't find you Riley. Know that… I might be in love with you. Press any key to continue.
Story:
> loading decryption key 77CX223UI2F9> ………… packet checksum validated > ………… decryption successful > ………… decompressing data blob.> ………… complete> data stream follows:Emergency Log Entry 00Something is up, power went off hours ago. Backups didn't kick in. Everything is dark and my o2 allocation is running out. What is going on? Door controls are dead and I hear nothing outside. I hope someone gets this door open soon. My head is starting to ache… . Hope this isn't my last log.
Emergency Log Entry 01I’m pretty sure I blacked out from the lack of oxygen. Barely awake when some Enforcers dragged me to the bridge and gave me two choices: accept a brain wipe for the last few weeks and return to Galene, or pilot some… submersible they made to find a lost science crew?I know what those brain wipes did to other people, I ain’t gonna risk it. Plus Riley was assigned to the science crew - and if I succeeded in this task I was promised a 3rd class citizenship. Easy choice. Back in my room now. They left an o2 canister. At least I can breathe.Emergency log entry 02I can hear them coming for me. If I can't find you Riley. Know that… I might be in love with you. Press any key to continue.
Gameplay:
Navigate your submersible that is barely water tight through tight corridors with only a single light to guide your way.The hacked-together submersible only has a tiny porthole for you to navigate.Choose two routes: Be a good corporate employee and get the job done. Or choose an alternative path...Pick up items, keycards and solve puzzles in order to progress and reach the lost submarine!Game Developer Notes:
I developed this game at 1440p, with an amd 7900 cpu and a 4060 gpu. These specs allow me to get 90+ fps native. I've included an upscale feature and it will let me hit over 200fps. I hope that the art style and graphics options will allow older pcs to play at a good framerate.I've also included options for ray traced shadows (some performance hit if enabled) and other engine-related optimization features but you really don't need to mess around with them.What Steam players say
Recent verbatim reviews from Steam — separate from playze.io community reviews below.
Do not touch the forbidden mayonnaise.1 found this helpful
After the update that was added a new movement controllers for the submarine. made it so much more enjoyable.
The level design and world building is compelling! The controls are kind of janky though, and it took me some time to get used to the movement system. The soundscape and music is immersive. Overall it was a good experience (albeit with some rough edges).
Preliminary thoughts after getting through some early objectives, in case anyone is interested in more than just mayonnaise: Only for the curious. [i]7821 Akuji[/i] makes good use of its low-poly vibe and surprisingly-effective audio engineering to create a claustrophobic atmosphere that isn't too difficult to navigate, though at times you will need to take leaps of faith. Though you are in a submersible (or at least in something that acts kind of like one), you have no control over your elevation so it's kind of more like driving a slow and somewhat slippery rover more than a sub. While not very dreadful or horrific, it does pass the vibe check in the "uncomfortable" department, but not to an extent where you're actually uncomfortable. You are a pilot inside a small vessel and I haven't got far enough to see why you'd need to navigate the interior, but I'm sure it'll come up sooner or later. For the most part, you will be locked to the vehicle's single viewport which will require some strategic positioning on your part to allow you to both drive the sub and interact with its handful of other controls which include a scanner, a magnet, and some sort of messaging system. The contr…
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