# Reef Defender

> Educational game about land-sea stewardship, featuring a shark protagonist. (iPhone/iPad app by State of Hawaii.)

- Source: https://appshunter.io/ios/app/reef-defender/id657761952 (this page in markdown: same URL + `.md`)
- Developer: [State of Hawaii](https://appshunter.io/developer/1473057158)
- Category: Games
- Price: Free
- Rating: 5.00/5 from 5 App Store ratings · 4 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 16 MB
- Languages: English
- Released: 2013-07-09
- Data updated: 2026-06-10
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/reef-defender/id657761952/reviews.md

## What is Reef Defender?

The ancient Hawaiians knew that what happens on land affects the ocean, so they used a system of land and sea stewardship involving the entire ahupua’a (watershed) from land to sea.  You can learn about the connection of land and sea by playing the game Reef Defender.  The good guy in Reef Defender is the shark.

## Key features

- Learn land-sea connection
- Ancient Hawaiian stewardship concepts
- Play as a shark
- Educational gameplay
- Ocean ecosystem focus

## Recent user reviews (4 of 4)

All indexed reviews: https://appshunter.io/ios/app/reef-defender/id657761952/reviews.md

### 5/5 — WHAT THE...???

*2017-01-29*

Was looking through the long list of heavy duty government apps produced by NICUSA until I came to this one.  A shark game???  😳  Really???  Was one of your app developers bored one day, and decided to code out an animated shark game instead of a government reference app???  😂😂😂

### 5/5 — Omg so cul 2014blazethem

*2014-11-19*

4real do, dis game got da goods knowadda I mean. So cul m8

Bust Gaem 2014-forever

### 5/5 — moderately addictive

*2013-07-16*

I thought it was too simple at first, but the trash starts coming down FAST!  Love kicking the opala out of the water with the shark.

### 5/5 — awesome kids game!

*2013-07-10*

I like the animation and music.

## Frequently asked questions about Reef Defender

### What is Reef Defender?

Reef Defender is an educational game that teaches players about the connection between land and sea, inspired by ancient Hawaiian stewardship practices. Players learn how actions on land affect the ocean ecosystem.

### Who is the main character in Reef Defender?

The main character in Reef Defender is a shark, representing the 'good guy' in the game's narrative about ocean health.

### What is the inspiration behind Reef Defender?

The game is inspired by the ancient Hawaiian ahupua'a system, a method of land and sea stewardship that emphasizes the interconnectedness of the entire watershed from land to sea.

### What devices does Reef Defender support?

Reef Defender is currently supported on iPads, offering an optimized experience for tablet users.

### How old do I need to be to play Reef Defender?

Reef Defender has an age rating of 4+, making it suitable for young children and families interested in learning about ocean conservation.

### Is Reef Defender free to download?

Yes, Reef Defender is available for free, allowing anyone to learn about ocean stewardship without any cost.

### When was Reef Defender last updated?

Reef Defender was last updated on May 2, 2022, indicating ongoing support and potential for future improvements.

### Does Reef Defender have ads?

No, Reef Defender does not contain advertisements, providing an uninterrupted educational experience for players.

## Version history (last 3 releases)

### 1.2 — 2022-05-02

-bug fixes

### 1.1 — 2018-06-15

This app has been updated by Apple to display the Apple Watch app icon.

-updated to support latest devices

### 1.0 — 2013-07-09

No release notes.

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## More apps by State of Hawaii

- [Hawaii.gov](https://appshunter.io/ios/app/hawaiigov/id672689245)
- [Hawaii Charity Finder](https://appshunter.io/ios/app/hawaii-charity-finder/id776830954)
- [Hawaii Sex Offender Search](https://appshunter.io/ios/app/hawaii-sex-offender-search/id789745370)
- [Hawaii Courts Mobile](https://appshunter.io/ios/app/hawaii-courts-mobile/id1183497886)

All apps by State of Hawaii: https://appshunter.io/developer/1473057158

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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 2026-06-10.*