Excerpt: Puzzle games are the most dangerous: A good one can keep you glued to your Game Boy for days on end, inciting ridicule from friends and relatives until they try it and get addicted, too. Denki Blocks is a great example of a great puzzle game, and fans of the genre need to get it. Click here.
Pros: ups: Really fun; lots of puzzles; lots of multiplayer options.
Cons: downs: ncredibly addictive --could take over your life.