Sigma levels 10-20 tips
By: BigStack Studios
This video walkthrough demonstrates how to beat levels 10-20 without any power ups. Uploaded on HowToAndMore official channel at April 23, 2013.
Still need help to finish Sigma levels 10-20?
I will update this post with more tips and tricks, so please bookmark this page and keep on checking in!
If you have any questions, feel free to ask for extra help in the comments section.
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Levels 10-20 Questions
Questions related to levels 10-20 of Sigma iPhone game.