# Shield Maiden Tower Defense — Alien invasion. Defend base.

> Alien invasion. Defend base. (iPhone/iPad app by Blowing Breeze Studios SAS.)

- Source: https://appshunter.io/ios/app/shield-maiden-tower-defense/id6744973814 (this page in markdown: same URL + `.md`)
- Developer: [Blowing Breeze Studios SAS](https://appshunter.io/developer/1713192631)
- Category: Games, Entertainment, Action, Strategy
- Price: Free with in-app purchases
- Age rating: 9+
- Requires: iOS 13.0 · 534 MB
- Languages: American English
- Released: 2025-05-08
- Data updated: 2026-06-10
- User reviews in markdown: https://appshunter.io/ios/app/shield-maiden-tower-defense/id6744973814/reviews.md

## What is Shield Maiden Tower Defense?

Shield Maiden Tower Defense is a sci fi tower defense game where your mission as the defense valkyrie is to defend the base and protect humanity from a massive alien invasion. Play through wave defense battles with space enemies and aliens in an interplanetary battle powered by energy.

This free game is built for fans of tower game tactics, td games, and real time strategy. Build turrets and towers, upgrade defense, and place turrets wisely to stop the alien threat. Use magic cards to unleash fire, poison, or lightning and keep your defenses strong.

Your energy game is powered by eternitium, a sci fi power source that lets you repair structures, activate strategy cards, and manage battle resources. Every second counts in this space war, where epic turrets and strong tactics are your only hope.

Shield Maiden Tower Defense challenges you to survive 100 levels per act in a galaxy under siege. This challenging game blends addictive gameplay and deep mechanics for players who love a proper strategy game.

Whether you're new to tower defense or a seasoned player looking for epic defense, this title offers nonstop sci fi action. Defend the base, command the battlefield, and win the war for the future of Earth.

Key Features:
- Tower defense game with real time strategy and wave defense
- Build turrets, place turrets, build towers, and upgrade defense
- Defend the base from alien invasion and space enemies
- Repair structures mid-battle using energy and battle resources
- Play a free game with addictive gameplay and sci fi setting
- Use magic cards and strategy cards for fire, lightning, and poison attacks
- Survive the galactic war with energy-based game mechanics
- Fight aliens and protect humanity in a tower game full of action
- Epic turrets and challenging levels for fans of td games and strategy game
- Join the interplanetary battle in this ultimate space war

Online play required.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Astrocreditsx10 | $1.09 | one-time |
| Astrocreditsx30 | $3.39 | one-time |
| Astrocreditsx50 | $5.59 | one-time |
| Astrocreditsx700 | $75.90 | one-time |
| Astrocreditsx150 | $16.49 | one-time |
| Astrocreditsx300 | $33.00 | one-time |



## Version history (last 5 releases)

### 1.9.2 — 2025-08-06

Includes a new game mode!

### 1.8.9 — 2025-08-02

Includes a new game mode!

### 1.8.6 — 2025-07-23

This version includes:

New Acts to play!

New map appearances!

Bug fixes:

Fixed an error that prevented progressing between Acts.

Fixed an error that caused the Act selector to malfunction.

Volume settings are now always saved.

### 1.7.4 — 2025-05-28

A new act has been added!

### 1.7.3 — 2025-05-24

Fixed issues:

Fixed an issue where mission rewards were not being applied when claimed.

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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.*