# OZO: Ocean Zombie Outbreak — Underwater tower defense game.

> Underwater tower defense game defending the ocean from zombie invaders with sea creatures. (iPhone/iPad app by COCOBOO Games.)

- Source: https://appshunter.io/ios/app/ozo-ocean-zombie-outbreak/id6602891043 (this page in markdown: same URL + `.md`)
- Developer: [COCOBOO Games](https://appshunter.io/developer/1750013783)
- Category: Games, Adventure, Strategy
- Price: Free with in-app purchases
- Age rating: 9+
- Requires: iOS 13.0 · 432 MB
- Languages: English
- Released: 2024-08-08
- Data updated: 2026-06-01
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/ozo-ocean-zombie-outbreak/id6602891043/reviews.md

## What is OZO?

Dive into epic battle with "Ocean Zombie Outbreak". The once peaceful marine world is now under attack by terrifying zombies! Join forces with an incredible array of sea creatures and protect your underwater home from the zombie invasion. You and your underwater army are the last line of defense preventing complete devastation, as zombies have already taken over the land with their undead forces.

Prepare yourself for an underwater adventure like no other! In Ocean Zombie Outbreak, the fate of the ocean lies in your hands. Assemble your team of brave sea creatures and defend your aquatic home against relentless waves of zombie invaders.
Diverse Sea Creatures: Unlock and command a variety of sea creatures, each with unique abilities. From the humble fish to mighty sharks, create your ultimate defense team.
Challenging Missions: Battle through countless levels and astonishing backdrops. With every passing level you will fight new and tougher zombie threats. To counter the advanced attacks, strategize your defenses and effectively utilise your abilities.
Breath-taking Graphics: Experience a stunning underwater world with high-quality graphics and animations that bring your ocean adventures to life. As you navigate through the levels of the game, you will descend into the depths of underwater world filled with wonder.
Customizable Upgrades: Power up your sea creatures with customizable upgrades to enhance their abilities and ensure victory against horde of different kinds of zombie.
Daily Challenges and Rewards: Complete daily challenges to earn special rewards and participate in unique events for exclusive bonuses.
JOIN THE DEFENSE:
The ocean needs a hero! Lead your team of sea creatures against the relentless zombie outbreak. Strategize, defend, and reclaim the deep blue in this thrilling battle for survival.

## Key features

- Diverse sea creature units with unique abilities
- Challenging missions across various levels
- High-quality underwater graphics and animations
- Customizable upgrades for units
- Daily challenges and rewards
- Strategic defense gameplay

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Quick Boost | $0.99 | one-time |
| Action Vault | $1.79 | one-time |
| Power Surge | $1.49 | one-time |
| Infinity Bundle | $2.59 | one-time |
| Turbo Deal | $2.09 | one-time |
| Flash Forward | $1.79 | one-time |
| VIP Membership | $4.99 | one-time |
| Piggy Bank | $0.99 | one-time |
| Remove Interrupted ads | $0.99 | one-time |
| Mini Gem Pack | $2.99 | one-time |
| Medium Gem Pack | $6.99 | one-time |
| Large Gem Pack | $9.99 | one-time |
| Mega Gem Pack | $12.99 | one-time |


## Recent user reviews (6 of 6)

All indexed reviews: https://appshunter.io/ios/app/ozo-ocean-zombie-outbreak/id6602891043/reviews.md

### 5/5 — Enjoyable

*2025-02-06, version 0.9*

I love playing this game. It’s enjoyable. Thank you for making my moments amazing ☺️😇😊

### 5/5 — Good game with great animations!

*2024-11-11, version 0.8*

I liked how they improved the game from previous releases. Animations and sfx were improved from what I saw earlier. Fun, interactive, tactical, etc.,

### 5/5 — Can’t stop playing this game

*2024-10-16, version 0.6*

Ocean Zombie Outbreak (OZO) is an exciting strategy and action-packed game set in an underwater world. Players must defend against hordes of zombies by assembling an army of sea creatures, each with unique abilities and strengths. The game features stunning graphics that vividly bring the ocean depths to life, alongside evolving gameplay that keeps players engaged as they battle increasingly difficult zombie invasions.

The mix of tactical strategy and action provides a thrilling experience, although some players might find the learning curve steep as the levels progress. Overall, it’s a solid choice for fans of strategy and zombie-themed games, with enough variety to keep you coming back.

### 5/5 — Addictive One

*2024-10-15, version 0.6*

A unique and damn addictive game which makes you fall for it!

### 5/5 — The game is good but..

*2024-10-02, version 0.4*

Yeah you read that the game is actually good but need some improvements like more interaction and bug fixes no hate though!😊

### 5/5 — Entertaining and fun

*2024-09-18, version 0.4*

Can’t stop playing this game. It just gets more and more interesting with advancing levels.

## Frequently asked questions about OZO

### What is OZO: Ocean Zombie Outbreak?

OZO: Ocean Zombie Outbreak is an underwater tower defense game where players defend the ocean from a zombie invasion using a team of sea creatures.

### What kind of gameplay can I expect in OZO: Ocean Zombie Outbreak?

The game features strategic defense gameplay, where you unlock and command various sea creatures with unique abilities to battle waves of zombie invaders across challenging missions.

### Can I upgrade my sea creatures in OZO: Ocean Zombie Outbreak?

Yes, you can power up your sea creatures with customizable upgrades to enhance their abilities and improve your chances of victory against the zombie horde.

### Are there daily challenges in OZO: Ocean Zombie Outbreak?

Yes, the game offers daily challenges and unique events that allow you to earn special rewards and exclusive bonuses.

### What devices is OZO: Ocean Zombie Outbreak available on?

OZO: Ocean Zombie Outbreak is available on iPhone, iPad, and iPod, as indicated by its supported devices.

### Does OZO: Ocean Zombie Outbreak have ads?

Yes, OZO: Ocean Zombie Outbreak contains advertisements.

### What is the age rating for OZO: Ocean Zombie Outbreak?

OZO: Ocean Zombie Outbreak has an age rating of 9+, making it suitable for younger players and above.

### How often is OZO: Ocean Zombie Outbreak updated?

The latest version of OZO: Ocean Zombie Outbreak is 1.0.3, and it was last updated on March 12, 2025, indicating recent development activity.

## Version history (last 5 releases)

### 1.0.3 — 2025-03-12

Minor Bug fixes

### 1.0.2 — 2025-02-16

Minor Bug fixes.

### 0.9 — 2024-11-20

Gameplay Enhancement
Minor Bug Fixing

### 0.8 — 2024-10-31

Minor Bug fixes
Halloween Haunt Update! Happy Halloween!

### 0.7 — 2024-10-16

Bug Fixes

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## More apps by COCOBOO Games

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All apps by COCOBOO Games: https://appshunter.io/developer/1750013783

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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 2026-06-01.*