ぬしさまと一緒|オオサンショウウオ育成ゲーム
Shinmei Simulation Contains ads
A relaxing idle game where you raise a giant salamander, the king of the river. It's free, and you can enjoy leisurely raising it by ambushing and gobbling up the fish you release.
- Downloads
- 646+
- on Google Play
- Price
- Free
- No in-app purchases
- Updated
- Aug 18
- 2026 · v1.0.2
Screenshots
About ぬしさまと一緒|オオサンショウウオ育成ゲーム
Hiding in the shadows of a rock in a clear stream is the river's "master," always lounging around.
This is a relaxing idle-raising game where you leisurely watch over and raise the Japanese giant salamander, a special natural monument of Japan.
The master usually hardly moves. But the moment a river fish floating down from upstream passes in front of it—snap! It eats it in an instant. This contrast of "ambush predation" is irresistibly cute.
■ What kind of game is it?
- A leisurely breeding game where you raise the river's master, the Japanese giant salamander.
- Use the feeding button to release river fish, and when they pass in front of the master, it snaps them up.
- A simple idle game where you only need to take care of the fish, keeping the clear stream clean by cleaning it.
- Even when the app is closed, it grows steadily over time, eventually becoming a giant master.
- It walks around actively at night and sometimes comes up to the surface to breathe (nocturnal).
- It takes naps in its stone home. Knock on the house to wake it up
* 30 different gestures, including petting, rolling over, yawning, and stretching
* Capture good moments with your camera to collect gestures in your "Gesture Encyclopedia"
* Name your master and live with it for a long time
■ Relaxing Points
* Giant salamanders swim and walk as if they were real
* The sound of a clear stream and gentle music
* Completely free, no in-app purchases, offline play
■ Recommended for:
* Those who like giant salamanders, amphibians, and rare creatures
* Those who enjoy keeping and observing animals such as frogs and newts
* Those who want to relax with a relaxing, idle game
* Those who like aquariums and river creatures
If you run out of food or water, your master will go somewhere, so please check on it gently once a day. Live a peaceful life with your very own master.
Recommended age: 13 years and older
This is a relaxing idle-raising game where you leisurely watch over and raise the Japanese giant salamander, a special natural monument of Japan.
The master usually hardly moves. But the moment a river fish floating down from upstream passes in front of it—snap! It eats it in an instant. This contrast of "ambush predation" is irresistibly cute.
■ What kind of game is it?
- A leisurely breeding game where you raise the river's master, the Japanese giant salamander.
- Use the feeding button to release river fish, and when they pass in front of the master, it snaps them up.
- A simple idle game where you only need to take care of the fish, keeping the clear stream clean by cleaning it.
- Even when the app is closed, it grows steadily over time, eventually becoming a giant master.
- It walks around actively at night and sometimes comes up to the surface to breathe (nocturnal).
- It takes naps in its stone home. Knock on the house to wake it up
* 30 different gestures, including petting, rolling over, yawning, and stretching
* Capture good moments with your camera to collect gestures in your "Gesture Encyclopedia"
* Name your master and live with it for a long time
■ Relaxing Points
* Giant salamanders swim and walk as if they were real
* The sound of a clear stream and gentle music
* Completely free, no in-app purchases, offline play
■ Recommended for:
* Those who like giant salamanders, amphibians, and rare creatures
* Those who enjoy keeping and observing animals such as frogs and newts
* Those who want to relax with a relaxing, idle game
* Those who like aquariums and river creatures
If you run out of food or water, your master will go somewhere, so please check on it gently once a day. Live a peaceful life with your very own master.
Recommended age: 13 years and older
What’s new
Version 1.0.2 · Updated August 18, 2026
広告のタイミングが分かりやすくなりました。 ■ お世話ボタンに「広告」バッジを表示 (次に押すと広告が流れるとき) ■ 広告は 15分に1回だけ (連発しません)
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| App | Rating | Price | Installs | Last updated | Compare |
|---|---|---|---|---|---|
| ぬしさまと一緒|オオサンショウウオ育成ゲーム | – | Free | 500+ | Aug 18, 2026 | |
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| はるのめがみ ギフチョウ:育てて学ぶ里山保全 | – | Free | 500+ | Aug 18, 2026 | Compare |
| まるまるセンザンコウ:穿山甲を育てる癒し育成 | – | Free | 500+ | Aug 18, 2026 | Compare |
| よぶ夜 カカポ|世界一重い夜のオウム育成 | – | Free | 500+ | Aug 18, 2026 | Compare |
| よるのタスマニアデビル:癒しの育成と保全 | – | Free | 1+ | Aug 18, 2026 | Compare |
| ウーパールーパーの湖:育てて学ぶ絶滅危惧種 | – | Free | 10+ | Aug 18, 2026 | Compare |