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A walking simulator about a journey in search of the mother ocean. Control "Hoi-chan," a girl with a yellow hat, and collect hearts hidden throughout various locations.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Train Fest starts Jul 20, 2026
Synopsis
"Hoi-chan," a girl with a yellow hat who kept seeking her parents' love into adulthood.
In a world of patched-together memories, she continues walking in search of the mother ocean...
How to Play
Players can collect 13 hidden hearts scattered throughout various locations to open the door at the starting point and view the ending.
Enjoy the strange characters and the music composed specifically for this game.
*The setting of this story is original and has no connection to any specific incidents, individuals, religions, or organizations.
Game Details
Endings: 1 type
Estimated play time: 1 hour
Controls (Keyboard/Gamepad)
Movement: WASD / Left Stick
Examine: E / X Button
Jump/Grab ledge: Space / A Button
Descend from ledge: E / B Button
Camera control: Mouse / Right Stick
Use item: E / R Shoulder
Save function: Available
Streaming Guidelines
Regarding streaming and let's play videos
No prior contact is necessary for streaming or creating/posting gameplay videos.
You are free to create content regardless of monetization.
Precautions
Please refrain from defaming or making aggressive comments toward others.
Please be respectful toward the game content and other players.
Special Note
"Niji Voice" is used for character voices.
Lowest tracked price: CA$2.72 (Jul 7, 2026) · current best: CA$3.89.
0% positive reviews all-time.
Right now the cheapest offer for うみのもくず / Depths Debris is CA$3.89 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for うみのもくず / Depths Debris is CA$2.72 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Create a free price alert on this page and KingsPrice will email you when うみのもくず / Depths Debris drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
