Microsoft sends word that a demo of its family-edged Buzz! Rival Scene it? Lights, Camera, Action is now up for download on Xbox Live - though you'll have to play it without the fancy buzzer controllers.
The final game ships with four controllers for buzzing in your answers, so there's plenty of similarities between it and Sony's trivia series.
Having seen the game running over someone's shoulder (we were more interested in Halo 3 and the free bacon sarnies) it looks a bit deeper than just Trival Pursuit HD, but to be honest you're going to have to investigate it yourself. Because our internet's slow, and we can't be arsed.
The demo weighs in at 610MB. Have a look and let us know if it's worth downloading.