Playing Moon zGame

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Hello, everyone? Last few days, I didn't play moon game. Today, I decided to play moon game again.

I don't understand much about this game, so I mostly do the buildings. I mostly build oxtractor, silicon refinery, uranium centrifuge and sola power plant. So, they all reach higher level.

When I read other players posts. I found out that I also need to increase the level of the buildings and other things at technologies section. Now, I only do the buildings in buildings section.

But they have requirements and my buildings didn't reach the level they need. So, I still can not increase the level of buildings in technologies section.

Today, I increased three buildings. I build research lab to level 9, alliance depot to level 2 and missile silo to level 2.