Space Defense: Guard Heroes game picture

Free · No sign-up · Starts when you tap

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Space Defense: Guard Heroes

🗺️ Adventure Touch or keyboard
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Space Defense: Guard Heroes is a free adventure and action game you can play in your browser on a phone, tablet or computer. Alien invasion has begun. The galaxy is under attack and only your strategy can stop the enemy forces. The game's instructions say: “Mouse click or tap to play.” It plays best in portrait.

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This game is provided by GameMonetize and may show its own ads. It loads only after you tap Play.

How do you play Space Defense: Guard Heroes?

  1. Mouse click or tap to play

Game details

Genre
Adventure, Action
Themes
RPG, Tower Defense
Works on
Phone, tablet and computer (touch, keyboard or mouse)
Screen
Plays best in portrait
Added to Gamezylo
Sep 27, 2026
Published via
GameMonetize (third-party developer)

From the developer

Alien invasion has begun. The galaxy is under attack and only your strategy can stop the enemy forces. Welcome to Space Defense Guard Heroes, an exciting tower defense strategy game where you command powerful heroes and build a strong defense base in deep space. Assemble your army, upgrade defensive towers, and create tactical strategies to defeat endless waves of alien enemies. Lead your heroes into battle and protect the galaxy from total destruction. Game Features Strategic Tower Defense Gameplay Build and upgrade powerful defense towers to stop incoming enemies. Plan your strategy carefully and create the perfect defense line. Comman

Game description from the developer, via GameMonetize

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Something wrong?

Game not loading or instructions wrong? Use the report page. The report is saved on your device; this site has no submission server. Loading the game connects to its provider; see the privacy note.

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GOOD TO KNOW

Questions about Space Defense: Guard Heroes

Is Space Defense: Guard Heroes free to play?

Yes. Space Defense: Guard Heroes is free on Gamezylo with no download and no sign-up. The game comes from a third-party publisher and may show its own ads inside the game.

Can you play Space Defense: Guard Heroes on a phone or tablet?

Yes. The game lists touch controls, so it works on phones and tablets.

What games are like Space Defense: Guard Heroes?

If you like Space Defense: Guard Heroes, try Ashen Watch, Project VOID and Plant Squad. They are also adventure games on Gamezylo.