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A jam submission

ABYSS HARVESTView game page

Swim with your fish companion and retrieve treasure and fish before you run out of air in this 3D diving salvage game
Submitted by nitch_game — 20 hours, 23 minutes before the deadline
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ABYSS HARVEST's itch.io page

Results

CriteriaRankScore*Raw Score
AI Direction & Adaptability#14.0004.000
Production Velocity#23.7003.700
Overall Enjoyment#43.6003.600
Theme Fidelity & Creativity#53.9003.900

Ranked from 10 ratings. Score is adjusted from raw score by the median number of ratings per game in the jam.

The Biggest Challenge
The breakthrough was the decision to use Blender for 3D.

AI Tools Used
ChatGPT,Claude, Elevenlabs

Areas Where AI Was Used
(Images, sound, code, text)

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Comments

Host(+1)

Unfortunately, I gave up on the Bell Bearing Giant Clam section because I didn't know what to do. It wasn't that the controls were too difficult or anything like that—it was more that I genuinely had no idea what the correct action was…

The game is very beautiful, and the music and sound effects are wonderful. I felt it really captured the atmosphere of the ocean well. Maybe this part will be unlocked later, but personally, I'd be happy if it weren't just an “errands” game the whole time, and if I could freely explore and enjoy fishing and treasure hunting… Of course, this depends on personal preference, so I don't think this is the “right” answer at all.

Anyway, I had a great time. 🙂

Developer

Oh. Sorry if that was confusing.

I’ll improve the boss descriptions in the next version, but you can stun him by using the shadows of the rocks. There are also many bosses you can defeat by taking advantage of the ocean environment.

I didn’t have the resources to include four exploration stages this time, but I’ll consider it for the future!

The true ending is planned for stage 5 or 6!

Submitted(+1)

I never expected a 3D game of this quality to be made in such a short amount of time! Swimming around in the ocean is so much fun. Maybe because I'm not used to it yet, but moving the camera felt a little tricky to handle!

Developer

Thank you very much.

Since the 3D model was a real challenge this time,

I spent an entire day in advance just testing the 3D model and creating the sound effects, and then finished the rest all at once during the actual production.

As for the camera, due to time constraints during development, that will be a task for the next update!

Submitted(+1)

I was really impressed by the rich 3D visuals and polished UI! Despite how detailed everything looks, the game ran very smoothly and made exploring the underwater world feel really comfortable.

Developer

Thank you!

I really struggled with finding the right balance

between rich 3D graphics and smooth performance.


Since I assumed that not many people own gaming PCs,

I made a conscious effort to keep the system load low.

Submitted(+1)

It’s really fun!

The underwater 3D environments are beautiful, and the game offers a huge amount of content with its wide variety of quests.

There’s a real sense of satisfaction in powering up through new equipment.

I also really appreciated the user-friendly design, such as the on-screen explanations for controls and the indicators showing the direction of quest objectives.

Developer

Thank you!

It was definitely worth using up all that leftover AI credit from work!

I struggled with the game's direction alongside the AI,

but it’s turned out this way.

I’m glad you noticed the friendly elements—those were parts I asked the AI to improve!

Submitted(+1)

The artwork is amazing! I had a hard time controlling the diver and catching the fish, maybe the camera could follow behind and point at the direction the diver is facing for future polish

Developer

Thanks for the advice!

I'm intentionally making the fish part a little tricky,

but improving my camerawork is key!

Submitted(+1)

Wow I was super impressed when I opened this up! I struggled capturing my first fish, he decided to swim out of the water. He really didn't want to be my friend.

Developer

Wow, thanks for playing!

You can stun the fish, but I think some of them started swimming again...

Developer

Core Gameplay

  • Explore four distinct underwater areas.
  • Follow contracts and the orange objective guide.
  • Recover shells, fish, wreck cargo, treasures, and story items.
  • Watch your oxygen, depth, current, and cargo capacity.
  • Weaken dangerous large fish before capturing them.
  • Use terrain, light, equipment, and Nagi during guardian encounters.
  • Return safely to the dock and sell your recovered cargo.
  • Purchase and combine equipment across four gear slots.
  • Unlock new contracts, routes, shortcuts, and dive sites.
  • Discover rare marine species affected by the expedition conditions.

Quick Start Guide

  1. Select a dive site and contract at the dock.
  2. Choose your graphics quality and equipment.
  3. Press START DIVE.
  4. Follow the orange arrow toward the next objective.
  5. Recover the required objects or complete the encounter.
  6. Find a return point and press F.
  7. Sell your recovered cargo in MARKET & GEAR.
  8. Purchase better equipment before your next expedition.

Running out of oxygen triggers a rescue. You will return to the dock, but some of your recovered cargo will be lost.

Controls

  • Mouse — Look around Camera
  • WASD — Swim
  • Home / Page Up / End / Page Down — Swim
  • Z — Ascend
  • X — Descend
  • Shift — Swim boost
  • 1 — Equip net
  • 2 — Equip spear
  • 3 — Use equipped consumable
  • Space — Cycle tools
  • L — Toggle dive light
  • C — Coordinate with Nagi
  • F — Interact, recover, capture, or use a return point
  • Esc — Pause and release the mouse cursor

Click inside the game window to resume mouse control. If Pointer Lock is unavailable, mouse-drag controls can still be used.