# Ocean Defense TD — Defend Your Coral Reef

> Fast-paced underwater tower defense game with strategic upgrades and endless waves. (iPhone/iPad app by MARK GABRIEL VAN DER POEL.)

- Source: https://appshunter.io/ios/app/ocean-defense-td/id6760538884 (this page in markdown: same URL + `.md`)
- Developer: [MARK GABRIEL VAN DER POEL](https://appshunter.io/developer/1884858357)
- Category: Games, Casual, Strategy
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 12+
- Requires: iOS 14.0 · 99 MB
- Languages: English
- Released: 2026-03-23
- Data updated: 2026-06-11
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/ocean-defense-td/id6760538884/reviews.md

## What is Ocean Defense TD?

Ocean Defense: Protect the Coral Reef

Defend your coral reef from relentless human invaders in this fast-paced tower defense game set beneath the ocean.

Waves of enemies approach from every direction, growing stronger and more dangerous as the battle continues. Your coral guardian deploys fish soldiers automatically, but survival depends on the upgrades you choose and the strategy you build.

Every run offers new upgrade cards that can completely change your abilities. Stack powerful effects, create devastating combinations, and push deeper into the endless waves.

Defeat enemies to earn shells and unlock permanent upgrades that make your reef stronger for future runs. With each attempt you’ll discover new strategies and reach higher waves.

How long can your reef survive?

Features

• Survive endless waves of enemies
• Choose powerful upgrades each run
• Unlock permanent upgrades between runs
• Earn rewards and improve your defenses
• Simple controls with deep strategy
• Fast-paced tower defense gameplay
• Switch between auto-fire mode and click-to-fire mode

Protect the ocean floor and defend your coral reef.

## Key features

- Survive endless enemy waves
- Choose powerful run upgrades
- Unlock permanent upgrades
- Earn rewards and improve defenses
- Deep strategy with simple controls
- Fast-paced gameplay
- Switch between auto-fire and click-to-fire


## Frequently asked questions about Ocean Defense TD

### What is the main goal of Ocean Defense TD?

The main goal of Ocean Defense TD is to defend your coral reef from relentless waves of human invaders by strategically deploying fish soldiers and choosing powerful upgrades.

### Does Ocean Defense TD have offline play?

The provided data does not specify whether Ocean Defense TD supports offline play. It is recommended to check the app store listing for details on connectivity requirements.

### How does the upgrade system work in Ocean Defense TD?

Each run in Ocean Defense TD offers new upgrade cards that can significantly alter your abilities. You can stack powerful effects and create devastating combinations to push deeper into endless waves.

### Can I unlock permanent upgrades in Ocean Defense TD?

Yes, you can earn shells by defeating enemies to unlock permanent upgrades that strengthen your reef for future runs, allowing you to discover new strategies and reach higher waves.

### What is the age rating for Ocean Defense TD?

Ocean Defense TD has an age rating of 12+, making it suitable for players aged 12 and above.

### How often is Ocean Defense TD updated?

Ocean Defense TD was last updated on March 29, 2026, indicating recent development activity. The version number is 1.2.

### Does Ocean Defense TD have ads?

Yes, Ocean Defense TD contains advertisements.

### What devices is Ocean Defense TD available on?

Ocean Defense TD is available on iPhone and iPad devices.

## Version history (last 4 releases)

### 1.2 — 2026-03-29

Minor quality of life improvements and new icon!

### 1.1.2 — 2026-03-24

Minor bug fixes and balancing tweaks.

### 1.1 — 2026-03-23

Minor improvements and updates to app information.

### 1.0 — 2026-03-23

No release notes.

## Related topics

[ocean defense td](https://appshunter.io/ios/topics/ocean-defense-td)

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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 2026-06-11.*