Super Marimo Depth vs Silent Waters
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Super Marimo Depth
Embark on a deep sea adventure to nurture a growing marimo as it descends. Feed it nutritious seaweed, avoid dangerous debris, and challenge yourself to grow it as large and as deep as possible.
- Guide sinking marimo
- Feed marimo seaweed for growth
- Avoid underwater debris
- Compete on marimo size
- Compete on descent depth
- Choose control style
Read full descriptionHide full description
"Super Marimo Depth" is a deep sea adventure game where players help raise marimo as it sinks into the sea - showering it with affection to help it grow and avoiding obstacles as it delves deeper and deeper. When game-play starts, marimo plops into the sea and starts sinking. Let it go and it will go into a free fall, so players have to help marimo avoid debris - bump into anything and it's game over. As you go along, take in the mozuku (a kind of seaweed) that floats about under the sea to help marimo grow. Marimo's main source of nutrition is mozuku, so have the marimo eat a lot of it. Along the way, things resembling brown marimo will appear - these are hairballs. You can knock these down by bumping into them. Breaking open a hairball will unleash a load of mozuku. Take these in to help grow marimo. In this way, you compete over the following: ・How big can you grow the marimo? ・How deep into the sea can you make marimo go? You can choose from the following two control styles, according to your preference: ・Using the touch and slide functions of the screen ・Angling the device back and forth.
Silent Waters
Explore an abandoned municipal pool in this horror escape game. Navigate liminal spaces, collect items, and evade a mysterious monster to find the exit. Experience a Dreamcore-inspired adventure with a sci-fi twist.
- Horror escape gameplay
- Dreamcore aesthetic
- Liminal Space exploration
- Item collection
- Monster evasion
- Virtual joystick controls
Read full descriptionHide full description
About operation on smartphone -> 【View Mode: Landscape only】 【Player operation】 Move: Left hand - operate the virtual joy stick at the bottom left of the screen.(front, back, left and right) Gaze: Right hand - Drag any place on the screen.(up, down, left and right) Get items while running around the facility so as not to be caught by the monster. If you can have 6 swim-ring model items... Now, be careful not to be caught by the monster and hurry to the exit. ~*~* This is a horror escape game. A scary Dreamcore experience that unfolds in an abandoned municipal pool. Run around Liminal Space. A mysterious monster is waiting in the Back Room. In a sense, this may be a science fiction near-future story.
Screenshots
Verdict
The clearest difference is ads: Super Marimo Depth at none against Silent Waters's shown. Super Marimo Depth also leads on review sentiment (100% vs 79%) and monetization model (free vs ad-supported). Silent Waters's advantage is update cadence (every 10 days vs every 6 months) and ratings volume (7 vs 1). On price, rating, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Super Marimo Depth against 5.0 for Silent Waters. That said, the two scores are not equally well evidenced: Silent Waters has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 100% of Super Marimo Depth's written reviews are positive against 79% of Silent Waters's.
Super Marimo Depth ships an update every 6 months, Silent Waters every 10 days. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.
| Parameter | Super Marimo Depth | Silent Waters |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (7 ratings) |
| Positive reviews | 100.0% of reviews — better | 79.2% of reviews |
| Number of ratings | 1 | 7 — better |
| Update frequency | Every 6 months | Every 10 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.1 — better | 12.0 |
| Further details — not scored | ||
| Size | 124 MB | 184 MB |
| Age rating | 4+ | 12+ |
| Developer | Takemi Matsumoto | CogiMachine |
Customer experience
Super Marimo Depth
Silent Waters
In-app purchases
Super Marimo Depth
No in-app purchases
Silent Waters
No in-app purchases
Questions
Is Super Marimo Depth free?
Is Silent Waters free?
Which has better reviews, Super Marimo Depth or Silent Waters?
Do Super Marimo Depth or Silent Waters have ads?
Which is updated more often, Super Marimo Depth or Silent Waters?
Other comparisons















