# SAS: Zombie Assault TD

> Strategic tower defense game against zombie hordes with soldier and turret deployment. (iPhone/iPad app by Ninja Kiwi.)

- Source: https://appshunter.io/ios/app/sas-zombie-assault-td/id551152489 (this page in markdown: same URL + `.md`)
- Developer: [Ninja Kiwi](https://appshunter.io/developer/386241773)
- Category: Games, Entertainment, Action, Strategy
- Price: Free with in-app purchases
- Rating: 4.30/5 from 1,159 App Store ratings · 238 written reviews indexed
- Age rating: 12+
- Requires: iOS 4.3 · 37 MB
- Languages: American English
- Released: 2013-02-14
- Data updated: 2026-08-28
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/sas-zombie-assault-td/id551152489/reviews.md

## What is SAS?

Hordes of undead are approaching! Your mission is simple - throw everything you have at them and stop them in their tracks. Deploy your elite soldiers, automated turrets, and defensive barriers in strategic locations throughout each unique map. You are the last defense against the Zombie Assault!

From the makers of the critically acclaimed shooter SAS: Zombie Assault 3 and the top strategy game Bloons TD 5 comes an incredibly challenging tower defense game in the Zombie Assault universe. Challenge yourself to keep the hordes at bay across 7 maps, each with Normal, Elite, Nightmare or Apocalypse modes. Pass each map to earn achievements and unlocks, and also earn valuable SAS dollars to unlock powerful top tier upgrades, buy helicopters, airstrikes and even nukes to help you survive. Get free one-time-use powerups every 5 levels, too!

Check out these cool features:
★ Free tower defense game from the makers of SAS: Zombie Assault 3 and Bloons TD 5
★ Create mazes, chokepoints, and barriers with your towers for ultimate strategic control
★ Awesome soldier and sentry gun towers, each with offensive and defensive upgrades and epic top tier powers
★ Amazing temporary powerup items like Cryo Grenades, Necro Nukes, Airstrikes, and Attack Choppers
★ Devastatingly powerful zombie bosses to defeat
★ 7 maps each with unique strategic challenges and freeplay mode
★ 4 difficulty and game modes
★ Leaderboards and Achievements

Optimized for iPhone 5 and iPod Touch 5th gen. Sorry, we could not support 3GS or below - too many zombies!!!

Make sure to use the iCloud data storage to save your progress in case anything happens to your device or app. Share iCloud data freely between iPhone and iPad. And remember you can earn SAS$ by winning maps or by using the "Earn SAS$" button in the Store.

Pro Tip: Use all of the temporary crate powers that you get every 5 rounds - you will need these to survive!

## Key features

- Strategic tower and barrier deployment
- Elite soldier and sentry gun towers
- Unlockable upgrades and powerful abilities
- Multiple maps with varying difficulty modes
- Temporary power-up items
- Zombie boss battles

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| All Skills Pack | $19.99 | one-time |
| Remove Banner Adverts | $0.99 | one-time |
| Wad of SAS Dollars (200 SA$) | $0.99 | one-time |
| More SAS Dollars (1,200 SA$) | $4.99 | one-time |
| SAS Dollars - Officer's Pay (6,000 SA$) | $19.99 | one-time |
| SAS Dollars - Defense Contract (23,000 SA$) | $64.99 | one-time |
| SAS Power Pack | $9.99 | one-time |


## What do users think of SAS?

Overall sentiment: positive

**Pros**

- 🎮 Great game
- 👍 Fun and challenging
- 🎉 Addictive gameplay

**Cons**

- 🤯 Extremely difficult
- 🐛 Crashes when upgrading
- 🔋 Drains battery quickly

**Commonly reported bugs**

- Incompatible with newer iOS versions
- Freezes when trying to purchase upgrades

**Most requested features**

- Update to support latest iOS
- Add more maps and towers
- Implement easier difficulty mode
- Allow character/tower customization

## Recent user reviews (10 of 238)

All indexed reviews: https://appshunter.io/ios/app/sas-zombie-assault-td/id551152489/reviews.md

### 3/5 — It’s needs updated to new IOS

*2026-07-17, version 1.1*

I remember playing this game vividly. It was a lot of fun. (Aswell as SAS4. But sadly it isn’t supported in my iOS

### 5/5 — Remaster?

*2025-12-28, version 1.1*

Needs a remaster

### 5/5 — Upgrade for current iOS

*2025-12-25, version 1.1*

This was such a fun game and I’m super bummed that it’s not upgraded for the current iOS. Please update. Miss this game!

### 5/5 — Please update for new iOS

*2025-10-24*

Please update for new iOS

### 1/5 — PLS UPDATE GAME TO NEWEST IOS 💔💔💔

*2025-10-24*

I love this game for so many years but I can no longer play it since the IOS isn’t compatible with the newest IOS for today, the only way I can play this game is on my laptop through the ninja kiwi archive, and I don’t wanna do all that work just to play this amazing game. Also can you make a remastered version of this game or make a completely new SAS TD game with 3D realistic graphics and mature gameplay so it shows just how horrible and terrible the SAS universe is ? Because this isn’t a kids game but a real man’s game L0L also for SAS 5 make ur character customizable, more mature graphics and gruesome becuZ it’s not a kids game 🤪

### 3/5 — Update

*2025-01-22, version 1.1*

Update!!! We will play

### 5/5 — Great game!

*2025-01-04, version 1.1*

It's a great game. I miss playing this.

### 5/5 — Plz update

*2024-11-22, version 1.1*

Plz update this game so i can play it, its a childhood classic

### 1/5 — Upgrade for current iOS

*2024-10-01, version 1.1*

This was such a fun game and I’m super bummed that it’s not upgraded for the current iOS.

### 5/5 — Love this game bring back 🙏

*2024-08-31, version 1.1*

Loved this game would love an update and comeback if not at least let me play 😂✌️

## Frequently asked questions about SAS

### What is SAS: Zombie Assault TD?

SAS: Zombie Assault TD is a challenging tower defense game where players must strategically deploy soldiers, turrets, and barriers to stop approaching zombie hordes. It features multiple maps, difficulty modes, and unlockable upgrades to aid in survival.

### What are the key features of SAS: Zombie Assault TD?

Key features include strategic placement of defensive structures like soldiers and sentry guns, the ability to create mazes and chokepoints, unlockable top-tier upgrades and powers such as airstrikes and nukes, and challenging zombie boss battles across seven unique maps.

### How does SAS: Zombie Assault TD make money?

The game is free to download and play, but it offers in-app purchases. Players can buy SAS dollars to unlock powerful upgrades, helicopters, airstrikes, and nukes, or earn them by winning maps. There are no advertisements in the game.

### What devices is SAS: Zombie Assault TD compatible with?

The game is optimized for iPhone 5 and iPod Touch 5th gen. Unfortunately, it does not support older devices like the 3GS or below due to performance requirements for handling numerous zombies.

### What are some common use cases for SAS: Zombie Assault TD?

This app is ideal for players looking for a demanding strategic challenge on their mobile device. It's perfect for quick gaming sessions or longer playtimes, especially for those who enjoy zombie-themed games and the satisfaction of outsmarting waves of enemies through tactical planning.

## Version history (last 3 releases)

### 1.1 — 2013-03-07

Please update - major fix for debug and save data

### 1.0.5 — 2013-02-27

Bug fixes for Store and general gameplay

### 1.0.2 — 2013-02-14

No release notes.

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## More apps by Ninja Kiwi

- [Bloons TD](https://appshunter.io/ios/app/bloons-td/id331271904)
- [Bloons Super Monkey](https://appshunter.io/ios/app/bloons-super-monkey/id386241770)
- [Power Pool](https://appshunter.io/ios/app/power-pool/id392085544)
- [Zombie Trailer Park](https://appshunter.io/ios/app/zombie-trailer-park/id398941864)
- [Bloons TD 4](https://appshunter.io/ios/app/bloons-td-4/id404553553)
- [Bloons TD 4 HD](https://appshunter.io/ios/app/bloons-td-4-hd/id426415634)

All apps by Ninja Kiwi: https://appshunter.io/developer/386241773

## Related topics

[sass](https://appshunter.io/ios/topics/sass)

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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 2026-08-28.*