Alien Portal vs Lethal Project
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Alien Portal
Embark on a humorous adventure as an alien infiltrates a military base. Utilize a portal gun to navigate through numerous levels, overcome obstacles, and rescue your fellow aliens. This game offers a unique puzzle-solving experience with a lighthearted theme.
- Portal gun mechanics
- Level-based progression
- Alien rescue missions
- Humorous gameplay
- Military base infiltration
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This is a funny game. Alien sneaking into military base use the portal gun to break through many levels and rescue your companions!
Lethal Project
Engage in high-risk missions as an elite operative in a dangerous environment. Navigate dark, intense locations, facing terrifying creatures. Choose between stealth or combat to overcome deadly obstacles and survive.
- Complete deadly missions
- Face terrifying creatures
- Navigate dark environments
- Choose stealth or combat
- High-risk operative gameplay
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You are an elite operative assigned to top-secret, high-risk missions. But this place is far from normal… Complete deadly missions where even the smallest mistake could cost you your life. Face terrifying creatures—avoid them or eliminate them to move forward. Dark and intense environments where every step could lead to your doom. Stealth or combat? Choose your approach wisely to overcome deadly obstacles. Do you have what it takes to complete the mission and survive? Lethal Project – Deadly Missions Await!
Screenshots
Verdict
The clearest difference is update cadence: Lethal Project at weekly against Alien Portal's every 6 weeks. Alien Portal's advantage is review sentiment (25% vs 13%). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Alien Portal ships an update every 6 weeks, Lethal Project weekly. Both last shipped on October 24, 2026.
| Parameter | Alien Portal | Lethal Project |
|---|---|---|
| Price | Free | Free |
| Rating | — | 2.2 (12 ratings) — better |
| Positive reviews | 25.0% of reviews — better | 12.5% of reviews |
| Number of ratings | — | 12 — better |
| Update frequency | Every 6 weeks | Weekly — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 62 MB | 248 MB |
| Age rating | 9+ | 12+ |
| Developer | 俊杰 吴 | Diep Quoc Vuong |
Customer experience
Alien Portal
Lethal Project
In-app purchases
Alien Portal
No in-app purchases
Lethal Project
No in-app purchases
Questions
Is Alien Portal free?
Is Lethal Project free?
Do Alien Portal or Lethal Project have ads?
Which is updated more often, Alien Portal or Lethal Project?
Other comparisons
