Comparison

Alien Annihilation Agent vs nBase

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Alien Annihilation Agent

Defend humanity's last hope by strategically deploying and upgrading defensive towers. Prevent waves of alien creatures from reaching your base in this engaging mobile strategy game.

Highlights
  • Strategic tower deployment
  • Tower upgrades for enhanced power
  • Prevent enemy base invasion
  • Intuitive interface
  • Short play sessions
  • Mobile-friendly gameplay
Features
Read full description

In the near future, the Earth has developed science and technology by leaps and bounds, but the depletion of resources, destruction of the environment, Due to the explosion of mankind, all mankind was risking their lives to enter space. Then, the Alpha Woori Nebula made a great discovery that would change the future of mankind. It was a mineral called Solstone named after the sun god in Roman mythology. Upon arrival at the planet Erga, the fleet selected the planet's main strongholds and classified them into 50 sectors, building bases and starting mining. But Erganid, who was acting like a wild animal, started attacking human bases, The vast majority of humanity and bases have been captured. Only the red canyon production base located in sector 32 is humanity's last hope. The Alien Annihilation Agent game is an addictive strategy mobile game. This game gives you the fun of growing up by deploying and upgrading various towers to prevent enemy attacks. The goal of the game is to prevent enemies from entering your base. To do this, you can build various kinds of towers around you. Each tower has a specific attack capability, and you should select and deploy the tower according to the situation. Towers play an important role in the game. Upgrading the tower helps improve attack power, range, and attack speed. As the game progresses, more powerful enemies emerge, so upgrading the tower is essential. The Alien Annihilation Agent provides a play session with a low entry barrier and a short time to enjoy. Easy operation and intuitive interface for anyone to play with. You are now ready to fight against large-scale enemies! Easily enjoy anytime, anywhere on your mobile device. Download today to survive and win Alien Annihilation Agent.

About

nBase

Experience a classic real-time strategy game reminiscent of 1990s PC titles. Engage in fast-paced battles with diverse units, strategic base building, and multiple objectives. Play solo against AI or challenge others in online multiplayer.

Highlights
  • Classic PC RTS gameplay
  • Offline play against AI
  • Online multiplayer PvP
  • Diverse unit types (aircraft, ships, tanks)
  • Fast-paced gameplay
  • Strategic resource management
  • Multiple game objectives
Features
Read full description

Features • a classic real-time strategy or "PC RTS" like in the 1990s or early 2000s • similar titles include CnC, Total Annihilation, Age of Empires and StarCraft • some players said that it reminded them of Real War and Act of War: Direct Action • supports offline play against AI • also supports online multiplayer PvP • units include aircraft, ships and tanks • fast RTS gameplay with no long waits • selection system is designed for easy use on mobile Mechanics • objectives include capture the flag, destroy all enemies, and be the first to get enough money, • transport units across the map by air or water, • stealth units don't notify the other player while attacking, • towers are the defensive buildings, • special units can attack from a distance, without exposing themselves nBase was designed to be like old school RTS titles that were fast paced and actually required strategic thinking to beat an opponent. Here, mindlessly spamming units doesn't work. You need to actually manage your resources, strategically plan your buildings, and have a dedicated attack plan to conquer your opponent's base, while not sacrificing your base's defense.

Screenshots

Alien Annihilation Agent4 screens
nBase3 screens

Verdict

The call

The clearest difference is rating: Alien Annihilation Agent at 5.0 against nBase's 3.7. nBase's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, update cadence, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Alien Annihilation Agent holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

UpkeepUpdate frequency

Alien Annihilation Agent ships an update every 3 weeks, nBase every 11 days. Both last shipped on October 24, 2026.

Scorecard4 real differences · 6 level
Alien Annihilation Agent versus nBase: the parameters behind the verdict, then further details
ParameterAlien Annihilation AgentnBase
PriceFreeFree
Rating5.0 (1 ratings) — better3.7 (3 ratings)
Positive reviews—100.0% of reviews
Number of ratings13 — better
Update frequencyEvery 3 weeksEvery 11 days — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.011.0 — better
Further details — not scored
Size239 MB245 MB
Age rating4+12+
DeveloperGRAVITY NEOCYONKareem Belgharbi

Customer experience

Alien Annihilation Agent

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

nBase

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Alien Annihilation Agent

No in-app purchases

None

nBase

No in-app purchases

Questions

Is Alien Annihilation Agent free?
Alien Annihilation Agent is free to download, with no in-app purchases.
Is nBase free?
nBase is free to download, with no in-app purchases.
Which has better reviews, Alien Annihilation Agent or nBase?
Alien Annihilation Agent is rated higher. Alien Annihilation Agent averages 5.0 out of 5 from 1 ratings, while nBase averages 3.7 from 3 ratings.
Do Alien Annihilation Agent or nBase have ads?
Alien Annihilation Agent shows ads; nBase does not.
Which is updated more often, Alien Annihilation Agent or nBase?
Alien Annihilation Agent ships an update every 3 weeks, and nBase every 11 days. Most recently, Alien Annihilation Agent was updated on October 24, 2026 and nBase on October 24, 2026.

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