# H2O

> Puzzle game where players change states of matter to solve challenges. (iPhone/iPad app by SENKEN INC..)

- Source: https://appshunter.io/ios/app/h2o/id1001870193 (this page in markdown: same URL + `.md`)
- Developer: [SENKEN INC.](https://appshunter.io/developer/786996906)
- Category: Games, Entertainment, Action, Family
- Price: $0.99
- Age rating: 4+
- Requires: iOS 13.0 · 168 MB
- Languages: American English
- Released: 2016-01-23
- Data updated: 2026-09-03
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/h2o/id1001870193/reviews.md

## What is H2O?

「水・水蒸気・氷」に変化してミッションを完成するゲームです。
「水」は柔らかくて細い地形を通ります。
「水蒸気」は上空に飛んで、大きい障害物を避けます。
「氷」は氷の上に漂い、さまざまな障害物を突き倒すことができます。
 
モードチェンジ！
様々な困難を克服しよう！！
　
※課金は購入時のみ。アプリ内課金・広告表示は一切ありません。

## Key features

- State-changing mechanics (water, steam, ice)
- Mission-based gameplay
- Environmental navigation challenges
- Obstacle avoidance
- Mode switching for different abilities

## Recent user reviews (4 of 4)

All indexed reviews: https://appshunter.io/ios/app/h2o/id1001870193/reviews.md

### 5/5 — やってみて損の無いゲーム

*2019-04-19*

好きです。ボリュームをもっと増やしてほしいです！

### 5/5 — ノンストップ横スクロール

*2017-12-09*

かわいい世界観ですが水や氷の切り替えを素早く行う必要が有りやりごたえありました！

### 5/5 — ワクワク甘い

*2017-10-02*

子供向けの可愛い横ゲーム。変化しながら前に進んでいくので楽しいし、簡単で面白いです。

### 5/5 — 地球大好き

*2017-08-16*

気晴らしに横ゲーもいい。色々変化して楽しいです。

## Frequently asked questions about H2O

### What is H2O?

H2O is a puzzle game where players transform between water, steam, and ice to complete missions. Each state offers unique ways to interact with the game world and overcome obstacles.

### How do I play H2O?

You play H2O by strategically switching between water, steam, and ice forms. Water can flow through narrow spaces, steam can fly over obstacles, and ice can break through barriers.

### Does H2O have multiplayer?

The provided information does not mention multiplayer capabilities for H2O. It appears to be a single-player experience focused on puzzle-solving.

### Can I play H2O offline?

As H2O is a paid game with no mention of online-only features, it is likely playable offline. However, specific offline functionality is not detailed in the description.

### What devices support H2O?

H2O is supported on iPhone, iPad, and iPod devices, indicated by its compatibility with iOS.

### Is H2O suitable for children?

Yes, H2O has an age rating of 4+, making it suitable for young children. The game's mechanics are designed to be accessible and engaging for a younger audience.

### Does H2O have ads?

No, H2O does not contain any advertisements. The description explicitly states that there are no in-app purchases or ad displays.

### How often is H2O updated?

H2O was last updated in 2026-06-19, indicating a recent update. The game has had a history of updates since its release in 2016.

## Version history (last 5 releases)

### 9 — 2026-06-19

bug fix

### 8.1 — 2025-11-10

bug fix

### 8.0 — 2022-09-05

bug fix

### 3.3 — 2018-02-01

このAppはApple Watchアプリのアイコンを表示するようAppleにより更新されました。

bug fix

### 3.2 — 2018-01-15

bug fix

## More apps by SENKEN INC.

- [ムーンショット](https://appshunter.io/ios/app/id786996903)
- [バイクウォーズ](https://appshunter.io/ios/app/id792705808)
- [ブレークスルー](https://appshunter.io/ios/app/id792712503)
- [ファイター](https://appshunter.io/ios/app/id839349624)
- [バイオ・バザール３](https://appshunter.io/ios/app/id861063898)
- [大相撲](https://appshunter.io/ios/app/id877131946)

All apps by SENKEN INC.: https://appshunter.io/developer/786996906

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-03.*