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Astro Boy - Omega Factor

Overview

A fast-paced side-scrolling beat 'em up action game for the Game Boy Advance, featuring Astro Boy and a crossover cast of characters from various Osamu Tezuka works.

Released in 2003 for Game Boy Advance and developed by TREASURE, Astro Boy - Omega Factor is built around its original console experience. It is part of the Action genres.

You can launch Astro Boy - Omega Factor directly in your browser without downloading a separate game client. Read the guide below before playing, then adjust the keyboard or controller settings for your device.

Playable in browserNo download requiredGame Boy Advance

Astro Boy - Omega Factor

A fast-paced side-scrolling beat 'em up action game for the Game Boy Advance, featuring Astro Boy and a crossover cast of characters from various Osamu Tezuka works.

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Plays
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Views
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How to Play

In Astro Boy: Omega Factor, players control Astro as he flies and fights through side-scrolling stages. The core objective is to defeat waves of enemies and powerful bosses by chaining basic melee attacks, performing dashes to dodge, and using special EX abilities like the Finger Laser, Arm Cannon, and machine guns. Astro can fly freely in some stages, while others require ground-based platforming and combat.

To succeed, players must manage the EX gauge, which fills as Astro damages enemies and is spent to unleash devastating screen-clearing attacks. A crucial progression mechanic is the Omega Factor: players must interact with and discover various characters from Osamu Tezuka's universe to unlock and upgrade Astro's stats, such as health, punch power, and laser strength. Focus on dashing through enemy attacks to position yourself for back-attacks, and save EX moves for boss phases.

Related guide

Understand the difference between in-game saves, save states, and browser storage.

Read: How Browser Game Saves Work

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FAQ

Can I play Astro Boy - Omega Factor online?

Yes. You can play Astro Boy - Omega Factor directly in your browser. Open the game page and click play to start without setting up an emulator first.

Do I need to download anything to play Astro Boy - Omega Factor?

No. Astro Boy - Omega Factor is available as a no-download browser game, so you can start playing without installing extra software or downloading files.

What platform or genre is Astro Boy - Omega Factor?

Astro Boy - Omega Factor is a Game Boy Advance game in the Action category. You can use the platform, genre, and related games sections to find similar titles.

What devices can run Astro Boy - Omega Factor?

Astro Boy - Omega Factor usually works in modern browsers on desktop, tablet, and mobile devices. For the most stable gameplay experience, use Chrome or another mainstream browser.

Who developed Astro Boy - Omega Factor?

Astro Boy - Omega Factor is listed with developer information for TREASURE. You can also browse related games from the same developer or genre.