I know that there is still going to be Twilight since it's the Protoss' homeworld type and it is shown in many replays. I saw several new ones like Cityscape.
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SC2 looks incredibly ugly :[
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No shit a dirt to installation blend looks ugly. How else do you expect dirt to blend into metal. The idea of dirt on metal is just fail to begin with.
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The beautifully deep ravines make up for the piss poor blends.