I spent HOURS with Warlords, Spectre VR, Barney Blaster, Sim City 2000, and this other game I can never remember the name of. You manned a "C"-shaped ship that sat atop a wireframe tunnel as these creepy-crawlies came toward you, and you had to blast them before they made it to the top to get you. In later levels, sections of the wireframe disappeared and you'd blow up if you hit the gaps. Anyone know what I'm talking about?