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Jan 30, 2013 | 8:27 AM EST

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Author Comments

UPDATE 2: If it's not loading, it might be because you're using IE9. Get Chrome:

UPDATE: The half-screen issue has been fixed. It was a problem with Firefox rendering CSS differently than Webkit. Sorry for the confusion!


Help guide a group of white blood cells through an endless, clotted artery of pain and despair! Yay!

1. Tap/Click to send a pulse to move your white blood cells
2. You regenerate cells over time.
3. Avoid blood clots.

Made for the Global Game Jam 13: "Sound of a Heartbeat".

Created using Craftyy:



Rated 4 / 5 stars



Rated 2.5 / 5 stars

i won't load for me


Rated 4.5 / 5 stars

Nice. You can use craftyy to make tons of games!

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Rated 5 / 5 stars

4638 the way mitosis is done is so silly

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Rated 2.5 / 5 stars

It's okay. It has a good concept but can get kind of annoying, especially the music. Score on first playthrough: 5810.