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|Type||Game → Astro Barrier|
|How to obtain||Collect 8 1-ups.|
The Astro 1-up stamp is a stamp in Club Penguin. In order to obtain this stamp, you have to collect 8 1-ups in Astro Barrier. There is also a cheat to getting this stamp. All you have to do is collect any 1-up in the game, and then lose a life. All you will lose is your 1-up, and you will get to restart the level.