'Tetris' turns 35 this week. It's still the best puzzle game of all time.

At Engadget, we spend every day looking at how technology will shape the future. But it's also important to look back at how far we've come. That's what This Week in Tech History does. Join us every weekend for a recap of historical tech news, annive…
Source: Engadget | 'Tetris' turns 35 this week. It's still the best puzzle game of all time.