Browser social game

Alien Adoption Agency

Alien Adoption Agency, also called A3, is a long-running free browser RPG where players adopt one alien, earn money, train its statistics, acquire equipment and compete asynchronously against other player-controlled aliens.

Full profileBrowserAliensPet raising
Play anywhere

Platform availability

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Windows
macOS
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Browser
Android
iOS
PlayStation
Xbox

Highlighted platforms are confirmed in MMOFinder’s current profile. Dimmed platforms have no confirmed listing.

Status
Active official browser site
Business model
Free-to-play with optional account upgrades
Genre
Browser alien-raising multiplayer RPG
Release
2002
Platforms
Web Browser
Developer
Alien Adoption Agency team
Publisher
Alien Adoption Agency
Profile
Full
Visual playstyle profile

MMO DNA

A visual fingerprint built from MMOFinder’s current verified catalog fields—not a review score.

PvECombat focusPvP

Strong competitive PvP signal

SoloPlay styleGroup

Solo progress remains practical

StructuredWorld structureSandbox

Structured progression is the stronger signal

TargetedCombat feelAction

Traditional targeted or menu-driven combat

HousingNot recordedCraftingNot recordedTradingRecordedControllerNot recordedPvERecordedPvPRecorded
Player fit

Why you might like it

  • Focusing on one adopted alien makes training, equipment and battle history feel more personal than managing a large collectible roster.
  • Asynchronous play allows progress and competition through brief browser sessions without requiring every opponent to be online simultaneously.
  • Its lightweight text-and-image interface has preserved the feel of an early web community game with very modest hardware requirements.
Before you play

Things to consider

  • Time-gated training and stat comparisons create a repetitive long-term routine rather than active tactical combat.
  • The interface and humor openly reflect an early-2000s website and may feel rough or confusing beside modern mobile pet games.
  • Optional upgrade packs historically granted extra locations or capabilities, so free and paid accounts may not have identical options.
Transparency

Research record

Last checked
2026-08-29
Profile depth
Full
Source note
Core facts, platforms, gameplay features and player-fit guidance verified from 3 current official or first-party sources.
Profile verification

What MMOFinder has checked

6/6documented areas
  • Gameplay featuresStructured gameplay fields were source-checked for this profile.Verified
  • Gameplay mediaThe current media record and attribution were reviewed.Verified
  • Source trailOfficial or first-party links are recorded below.Verified
  • Last reviewedThis profile was researched in the current batch.Verified

Coverage measures documentation completeness—not game quality, popularity or an endorsement.

How verification works

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Explore connections

Alien Adoption Agency relationship map

Follow verified catalog signals to another world.

Connections use current MMOFinder catalog fields—not review scores or paid placement.

Game history

Alien Adoption Agency timeline

A concise timeline built from verified release and lifecycle fields.

  1. 2002
    Released

    Alien Adoption Agency entered service.

  2. Current
    Catalog status

    Active official browser site

  3. 2026-08-29
    Research checked

    Core facts, features and player-fit guidance were reviewed.

Terms on this profile
Media

Alien Adoption Agency screenshots & gameplay

No verified real gameplay screenshot is currently available for this title.

Source: YouTube gameplay video

Gameplay, availability and research notes

Alien Adoption Agency is classified by MMOFinder as a Browser alien-raising multiplayer RPG. The verified profile records Alien Adoption Agency team as developer, Alien Adoption Agency as publisher, 2002 as its release year and Free-to-play with optional account upgrades as the current access model.

Supported platforms are Web Browser. Combat is recorded as Asynchronous stat-driven battles between trained player aliens. Verified feature signals include PvE, PvP, solo play, trading.

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If you like Alien Adoption Agency…

These alternatives share verified genre, platform, access-model or gameplay signals with Alien Adoption Agency. Connections describe catalog overlap rather than a quality ranking.

Community

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