---
title: "Defense Legend 4: Sci-Fi TD — App Overview"
url: https://marlvel.ai/intel-report/games/defense-legend-4-sci-fi-td
category: Games
developer: Nguyen Hieu
platforms: ios, android
rating: 4.6 (38.6K ratings)
pricing: free
report_level: overview
generated: 2026-05-04
last_verified: "2026-05-04T07:36:56.209Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** This title focuses on high-intensity strategic planning to counter complex, multi-front enemy attacks in a sci-fi setting.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Games |
| Rating | 4.6 ★ (38.6K) |
| Pricing | free |
| Platforms | iOS, Android |
| Latest Version (iOS) | 1.0.112 |
| Latest Version (Android) | 1.0.500 |
| Developer | Nguyen Hieu |

<!-- SECTION: Summary -->
## What is Defense Legend 4: Sci-Fi TD?

Defense Legend 4: Sci-Fi TD is a tower defense game where players defend strategic bases against multi-directional attacks from land, air, and underground forces. The game challenges players to utilize a combination of modern weaponry, magic-enhanced enemies, and hero units to survive increasingly difficult waves.

<!-- SECTION: Key Features -->
## Key Features

- **Hero System**: Players can deploy two heroes simultaneously to fight directly alongside their defensive structures.
- **Weapon Upgrades**: The game allows for the strengthening of cannons and the development of special skills to counter enemy advancements.
- **Diverse Environments**: Combat takes place across various territories, including desert landscapes.

<!-- SECTION: Target Audience -->
## Who is it for?

Fans of the tower defense genre who enjoy strategic combat and sci-fi themes.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/defense-legend-4-sci-fi-td/id1588331753?uo=4)
- [Google Play](https://play.google.com/store/apps/details?id=com.Gcenter.DefenselegendX.TowerDefense.TD&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/intel-report/games/defense-legend-4-sci-fi-td)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/games/defense-legend-4-sci-fi-td).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*