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Club Penguin Wiki
Astro Barrier
Astro Barrier logo.png
Players 1
Controls Arrow Keys (move)
Spacebar (shoot)
Minigame location Arcade
Date released September 21, 2005 (Beta Testing)
October 24, 2005 (everyone)

Astro Barrier was a Club Penguin mini-game that is located in the Arcade, next to Thin Ice, and is styled around a classic arcade game. All levels were originally playable by all players. However, on July 26, 2010, non-members were only able to play until level 5.


The game is played on the green screen of the Astro Barrier arcade machine. Only the keyboard is used to play, so the buttons featured on the machine are entirely cosmetic.

The game features a space ship on the bottom of the screen and a series of targets that move back and forth along rails. Each level has its own target layout, and a number of available shots, ranging from 3 to 10. Upon shooting all targets, the player moves to the next level. Consuming all shots without hitting all targets would cost the player a life, and the player would have to restart the level.

When a target is shot, it turns red and stops moving, unless there are multiple targets on the same line in which case, it turns orange and all the targets on the same line stop moving. It will be noted that some targets can only be aimed at through narrow gaps, making hitting them impossible if a target in front of them has been shot beforehand, which requires restarting the level in this case. In addition, the shots do not instantly hit the targets and take a brief moment to travel to hit, thereby requiring careful aiming and timing.

The game ends after successfully completing all 40 levels, or earlier if the player lost all lives.


There are several types of targets introduced throughout the game, with new ones having new properties and rewarding the player with a different amount of points:

Name Image Image when hit Description Appears from level
Green circles
Green Circle.svg
Green Circle Hit.svg
The basic targets in the game. Move at a constant speed and, when hit, stop and turn red 1
Small green circles
Small Green Circle.svg
Small Green Circle Hit.svg
A small variant of the green targets 3
Green ellipses
Green Ellipse.svg
Green Ellipse Hit.svg
A wider variant of the green targets 3
Stunted small green circles
Stunted Small Green Circle.svg
Stunted Small Green Circle Hit.svg
Stunts all targets of its kind when hit 8 of the Expert Levels
Blue circles
Blue Circle.svg
Green Circle Hit.svg
Rewards an extra life if hit before other targets 7
Small blue circles
Small Blue Circle.svg
Small Green Circle Hit.svg
A small variant of the blue targets 22
Blue ellipses
Blue Ellipse.svg
Green Ellipse Hit.svg
A wider variant of the blue targets 20
Orange switch
Orange Switch.svg
Orange Switch Hit.svg
Makes all orange barriers in the level disappear when hit 11
Yellow circles
Yellow Circle.svg
Green Circle.svg
Has to be hit twice. Turns into a regular, green target on the first hit 16
Small yellow circles
Small Yellow Circle.svg
Small Green Circle.svg
A small variant of the yellow targets 17
Yellow ellipses
Yellow Ellipse.svg
Green Ellipse.svg
A wider variant of the yellow targets 19
Expanding green targets
Expanding Target.svg
Expanding Target Hit.svg
Targets that expand horizontally upon being hit 24
Blaster Hit.svg
An extra cannon that shoots when the player shoots. (Its shots do not affect the number of shots left.) If aimed at the player's ship, can potentially destroy it 31
Score target
Score Target.svg
Score Target Hit.svg
Rewards the player with 500 points upon hitting. Only available at the end of the secret levels


An error.

  • Pressing left/right moves the ship in the respective direction.
  • Pressing the space bar makes the ship shoot.


  • It is possible to skip levels right after clicking start. On your keyboard press 1 to go to level 10, 2 to go to level 20, or 3 to go to level 30.
  • The secret levels in Astro Barrier are accessible before level 11 starts. Wait 30 seconds when the screen is showing information about the orange switch, and shoot the blue ship that appears. Then after the 10 Secret Levels, you will skip levels 10 to level 16.

A wallpaper where penguins are playing the game.

  • The Expert Levels are accessible before level 31. Just like the first secret levels wait 25 seconds and shoot to make the turret shoot the blue ship. Then after the 10 Expert Secret Levels, you can shoot five targets with a number of 500. That means you got 2500 extra points. Then the game is won.
  • You can earn more points in addition to your coins by shooting at targets and blasters when they are in the Instruction Pages.
  • Before proceeding on to another level, a loading box will appear for about 4 seconds. This box isn't a real loading box. But if you press enter, it will disappear and you will progress to the next level.
  • Astro Barrier was designed to be a very early arcade game, which is why it relies solely on sound effects and has no backing track.[1]



Name Description
Astro5 stamp Finish 5 levels.
Astro5 Max stamp Finish 5 levels without missing a shot.


Name Description
Astro40 stamp
Membership Badge Toolbar.png
Finish 1-40 levels.
Ship Blast stamp
Membership Badge Toolbar.png
Use a Blaster to shoot a ship.
1-up Blast stamp
Membership Badge Toolbar.png
Use a Blaster to shoot a 1-up.
Astro Secret stamp
Membership Badge Toolbar.png
Complete all Secret Levels.
Astro10 Max stamp
Membership Badge Toolbar.png
Complete levels 1-10 without missing a shot.
Astro20 Max stamp
Membership Badge Toolbar.png
Complete levels 1-20 without missing a shot.


Name Description
Astro Expert stamp
Membership Badge Toolbar.png
Complete the Expert Levels.
Astro30 Max stamp
Membership Badge Toolbar.png
Complete levels 1-30 without missing a shot.
Astro 1-up stamp
Membership Badge Toolbar.png
Collect 8 1-ups.


Name Description
Astro Master stamp
Membership Badge Toolbar.png
Complete 25 levels + Secret and Expert.


  • It is one of the five original games in Club Penguin.
  • During the April Fools' Party 2008, Astro Barrier and Thin Ice were not playable, as they were merged into a game called Thinicetrobarrier.
  • On December 30, 2005, the hidden levels were added to the game [2].
    • The Secret levels are in the shape of numbers corresponding to the serial number of the given level, the only exception being level 10 where the number is 0.
  • The game was updated on July 21, 2006 with the addition of 10 new levels and the debut of blasters.
  • The ships (both the white one and the blue one) resemble the Snowspeeder from Star Wars.
  • This game was designed to be an 8-bit game.
  • It is featured on the ASTRO-BARRIER Card-Jitsu card.
  • It could possibly be based on the real-life games, Galaga or Invaders.
  • There is a pin called Astro-Barrier Ship pin, which is based on the spaceship used in this game.
  • There was a model of the ship from this game hanging in Gary's Room.
  • The ship from this game appeared in the Lace Background.


Stamp Book photographs

Names in other languages

Language Name Meaning
Portuguese Patrulha Espacial ?
French Astrotorpille ?
Spanish Barra espacial Space bar
German Astrowache ?
Russian Космо-барьер ?

See also