---
source: marlvel.ai
type: app_intelligence_section
content_version: "v2"
section_slug: "sentiment"
section_label: "User Sentiment"
section_anchor: "#user-sentiment"
app_name: "Alien Defense - Save Area51"
bundle_id: "jp.co.goodroid.hyper.aliendefense"
parent_report: "https://marlvel.ai/api/llm/apps/games/alien-defense-save-area51"
canonical_url: "https://marlvel.ai/apps/alien-defense-save-area51#user-sentiment"
license: CC-BY-NC-4.0
citation: "Marlvel.ai — Alien Defense - Save Area51 User Sentiment (section of intelligence report)"
---

## 🔴 User Sentiment (High Confidence: 525 reviews) {#user-sentiment}
- **Overall Rating:** 2.91/5
- **Platform Split:** iOS 3.3/5 (16 ratings) | Android 2.9/5 (509 ratings)
- **Overall Sentiment:** Upset

### Top Praises
- **Core Gameplay Concept** | *Evidence:* "The game itself is good"

### Top Complaints (Impact Areas)
- **Excessive Advertising** | *Evidence:* "Too many ads. And they put them in the middle of the levels."
- **Technical Instability and Glitches** | *Evidence:* "It freezes when you open your reward so you have to restart the game"