Die Chinesische Mauer

Extrapolated from the TRANSLATION:

Die Chinesische Mauer (The Chinese Wall)
Game contents:64 tiles
Game materials: Tiles -- each tile shows four towers. Attached to the towers are walls of the same color. The towers and walls are in the colors red, blue, yellow and white.

Goal of the game:

The goal of the players is to build the longest possible chain of towers and walls of their color. Ideally these chains should reach all four sides of the complete play area. But the chains of the fellow players inevitably get in the way ...