As hard as they're trying to, workers cannot claim an Overworld Gateway owned by Empire, they sit there and get stuck, only to change their position for a second and than retrying to claim the Overworld Gateway but with negative results.
Here are the settings:
Win 10 Pro 64bit, Radeon 7800 HD, 8GB RAM, Intel Core 2 Quad Q9450, low graphic settings
WftO v.2.0.7, all DLCs
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