(adsbygoogle = window.adsbygoogle || []).push({}); So I've know this for a bit, and I don't know who may even know about this, but here goes nothing:

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First, If you look into the zombie window by the bowling alley, you will see a bowling ball and four pins. The colors for them are blue, yellow, green, and red. Take is as you may, but I believe that it's showing that maybe you need four people to buy the four perks in that order? I might be really late, but its worth sharing.

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and secondly, if you would go to the power light post thing (don't know its name sorry) outside the bus depot and look on the near bottom of the post facing the garage, you see and image carved into the side of what appears to be a hammer slamming into a small hand and a second object. Also, it seems like there is something similar to Arabic writing on the hammer and on the side of it.
I feel info like this should be shared with all to see if we can brainstorm what this is all about. In the case everyone knows this, I'm really sorry, and if its not known, I'll keep this updated!
Thanks!

For the second part are you talking about the teleporter lamp post?

no, its like a utility post thingy by the two zombie windows