zombie apocalypse, survival game, 7 Days to Die, claim block, protective cube, glowing edges, textured metal, rust, dirt, concrete base, secure territory, player-built structure, wooden fort, barbed wire fence, desolate landscape, sparse vegetation, overcast sky, dusk lighting, wide-angle shot, in-game item, resource management, strategic placement, multiplayer cooperation, defense mechanism, voxel-based construction, game mechanics, persistent world, crafting system, scavenging for materials, base reinforcement, survival strategy, harsh environment, post-apocalyptic setting.