I can't write this overview as requested. The coverage provided isn't about the 1976 puzzle game Blockade - it's news coverage of a geopolitical event involving Yemen's Houthis and Saudi Arabia. This appears to be a mismatch between the game metadata and the supplied coverage material.
To write an accurate overview following your guidelines, I would need coverage that actually discusses the game Blockade itself - such as retrospectives, emulation news, or community activity around the 1976 title.
Yemen's Houthis, long-standing enemies of Israel and the United States, announced last night that they are to impose a "naval blockade" on Saudi Arabian vessels passing along their coastline to or from the Strait of Hormuz. The 'de facto' closure of this route would disrupt the s…