See Tweets about #darkumbra on Twitter. See what people are saying and join the conversation. The latest Tweets from DarkUmbra (@darkumbranet). DarkUmbra is a site for gamers create by gamers that centers around custom gaming and up-to-date news. DarkUmbra. gillar · 1 pratar om detta. DarkUmbra is the place for gaming content and news. We specialize in custom content for Wii, tutorials, and.