Play Guardian of the Planet online for free

Guardian of the Planet is an exciting retro defense type shooter game where the main goal is to defend the planet from intruders coming from all sides. Defeat as many enemies as you can and aim for the high score. Enemies will attack the planet in many ways so shoot and defeat them. The planet has limited life and when it goes to zero, its game over. The player itself will not be damaged or deducted even if it comes into contact with the enemy, so attack the enemies for as long as you want. When you defeat an enemy, you will get an experience value called Exp, so don't forget to collect it. The player has a timed special weapon called "Ex Change" that can be activated by collecting Exp. Exp100 = 1 second, so if it is less than that, it cannot be activated. Have fun and enjoy playing Guardian of the Planet game here at Gamebig.net! Characteristics of the enemy 1.) Skeleton - HP can be reduced just by walking on the planet, so it's not strong, but let's defeat it early! 2.) Missile - It rushes straight toward the planet, and if you do not destroy it before that, it will cause great damage! 3) Bomb Devil - Explodes after a certain period of time after landing on the planet! Be careful as the probability of appearance is high and the HP is relatively high!

Guardian of the Planet is available on GameBig.Net as a browser game. You can launch it when you are ready (use the green Play button below so the game only loads after you choose to play, which keeps the first view of this page lighter for visitors on slower connections).

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Topics and tags: 1 Player, Shoot 'Em Up, WebGL. These labels help you find similar games from our catalog without leaving the site.

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About this game on GameBig.Net

Summary. Guardian of the Planet is an exciting retro defense type shooter game where the main goal is to defend the planet from intruders coming from all sides. Defeat as many enemies as you can and aim for the high score. Enemies will attack the planet in many ways so shoot and defeat them. The planet has limited life and when it goes to zero, its game over. The player itself will not be damaged or deducted even if it comes into contact with the enemy, so attack the enemies for as long as you want. When you defeat an enemy, you will get an experience value called Exp, so don't forget to collect it. The player has a timed special weapon called "Ex Change" that can be activated by collecting Exp. Exp100 = 1 second, so if it is less than that, it cannot be activated. Have fun and enjoy playing Guardian of the Planet game here at Gamebig.net! Characteristics of the enemy 1.) Skeleton - HP can be reduced just by walking on the planet, so it's not strong, but let's defeat it early! 2.) Missile - It rushes straight toward the planet, and if you do not destroy it before that, it will cause great damage! 3) Bomb Devil - Explodes after a certain period of time after landing on the planet! Be careful as the probability of appearance is high and the HP is relatively high!

Audience. Titles on GameBig.Net are aimed at casual players looking for short sessions in the browser. Difficulty and themes vary by developer; use tags and related games to narrow what you like.

Fair play. Scores and achievements depend on the third-party build we embed. If something looks broken after an update, reload the page once or report the game with the flag button above.

How to play — controls for Guardian of the Planet

Follow the scheme below while the game window is focused. On desktop, click inside the game area first so keyboard input reaches the title.

  • Move left
    Move right
    Shoot (hold down)
  • Fullscreen (page)

Tips for a smoother session

  • Close unused tabs and pause large downloads so the browser has free CPU for Guardian of the Planet.
  • Use fullscreen when supported for a stable aspect ratio and fewer accidental clicks outside the frame.
  • If audio is blocked, interact once with the page (Play counts) so autoplay policies can unlock sound where the developer allows it.
  • Bookmark this URL if you plan to return; the same page will list updated play counts and community rating over time.

Frequently asked questions

Is Guardian of the Planet free here?
Yes. We host a free-to-play embed on this page. Optional ads on the site may appear according to our policy and your region.
Do I need to install anything?
No app store install is required for typical HTML5 games. Flash-era titles may use in-browser emulation (Ruffle) when marked as SWF.
Can I play on mobile?
Many games support touch; some are keyboard-first. If controls feel awkward, try rotating the device or switching to a desktop browser.

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