Astro Boy: Omega Factor vs Mega Man ZX Advent
Side-by-side comparison of features, pricing, ratings, and alternatives.

Join Astro Boy on a classic 2D side‑scroll adventure as he battles over 40 iconic Tezuka characters across futuristic locales. The game blends platforming, shooter, and hack‑and‑slash action while building Astro’s Omega Factor and teaching lessons of justice and compassion. Featuring an original seven‑episode story, power‑up upgrades, and a roster of more than 50 characters, Astro Boy: Omega Factor delivers retro charm and deep gameplay for fans of sci‑fi action and comic‑book heroes.
Mega Man ZX Advent is an action-packed platformer for the Nintendo DS that picks up years after the events of Mega Man ZX. Players can choose between two main characters, Grey and Ashe, as they explore ruins filled with Mavericks and uncover the mysteries of the governing Legion and its Masters. The gameplay revolves around utilizing the mysterious Biometal model A, which grants a special Megamerge ability to transform into defeated Pseudoroid bosses, each possessing unique powers crucial for combat and exploration. Throughout the journey, players must emulate the abilities of conquered bosses to discover hidden routes, acquire rare items, and conquer powerful enemies. Taking full advantage of the Nintendo DS hardware features, the title delivers an engaging sci-fi storyline and dynamic combat. Developed by Inti Creates and published by Capcom, it combines classic side-scrolling action with innovative transformation mechanics and deep exploration elements.
- Rich roster of over 50 recognizable characters
- Deep upgrade system via the Omega Factor
- Engaging original storyline
- Tight controls and responsive combat
- Engaging boss transformation mechanic
- Two distinct playable characters
- Rewarding exploration of hidden routes
- Utilizes Nintendo DS hardware effectively
- Limited to single‑player experience
- Graphics are dated by modern standards
- No official re‑release on current platforms
- Can be challenging for novice players
- Limited replayability outside of dual characters
- Dependent on original hardware constraints
More alternatives & similar tools
Alternatives to Astro Boy: Omega Factor
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Save Metro City as Astro Boy with lasers, rockets, and co‑op action.

An action-packed platformer blending Mega Man X and Zero elements with an open-ended world.

Unleash the power of Biometal model A in this action-packed platforming adventure.
Alternatives to Mega Man ZX Advent
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An action-packed platformer blending Mega Man X and Zero elements with an open-ended world.
The Verdict
AI-generated from listing dataMega Man ZX Advent offers dual characters, boss‑transform gameplay and multiplayer on DS at a higher price, while Astro Boy: Omega Factor delivers a richer cast, deep upgrade system and story on GBA for less money but single‑player only.
Key differences
- •Platform & hardware: ZX Advent is a DS title with multiplayer support; Omega Factor is a GBA-only single‑player game.
- •Character variety: ZX Advent has 2 playable characters and 8 boss forms; Omega Factor features over 50 characters and a seven‑ability system.
- •Price: ZX Advent costs $39.99; Omega Factor costs $29.99.
- •Replayability: ZX Advent’s replay value is limited to its two characters; Omega Factor offers upgrades, many characters, and a longer storyline.
- •Multiplayer: ZX Advent includes multiplayer modes; Omega Factor does not.
Pricing & value
Omega Factor is $10 cheaper ($29.99 vs $39.99) while offering extensive character roster and upgrade system.
Platform availability
ZX Advent runs on Nintendo DS with multiplayer; Omega Factor is limited to GBA and single‑player.
Multiplayer / co‑op
ZX Advent lists multiplayer support; Omega Factor is single‑player only.
Content & replayability
Omega Factor includes over 50 characters, upgrade system, and original storyline, offering more varied content than ZX Advent’s two characters.
Difficulty & accessibility
ZX Advent noted as challenging for novices; Omega Factor’s difficulty not specified, implying a gentler learning curve.
Graphics & performance
Both are legacy handheld titles; Omega Factor’s graphics are called dated, while ZX Advent’s visual quality isn’t described.
Choose Astro Boy: Omega Factor if…
Players who prefer a cheaper, story‑rich single‑player experience with many characters.
Choose Mega Man ZX Advent if…
Players who want DS multiplayer and enjoy boss‑transform mechanics.
Common questions
Which game is cheaper?
Astro Boy: Omega Factor costs $29.99, while Mega Man ZX Advent costs $39.99.
Do either of these support multiplayer?
Mega Man ZX Advent includes multiplayer; Astro Boy: Omega Factor is single‑player only.
Which offers more character variety?
Astro Boy: Omega Factor features over 50 characters, whereas Mega Man ZX Advent has two playable characters and eight boss forms.




