Highly Addictive Puzzle/Arcade Games for Linux

When I have a few spare time or just want to loosen up a bit, I always indulge myself into playing some computer games. Since most of my extra time is very limited, I usually pick those that are less stressful and less time consuming. I go for the old-fashioned and graphics card-friendly puzzle and arcade games. Call me boring, but these stuff are really addictive and highly entertaining. So, what are these games?

If you are using Linux, some of these games are probably included out-of-the box with your distro. If you are using Windows, better tell your boss to switch to Linux if you don't want to be stuck to playing Solitaire and Minesweeper your entire office life. Now let's cut to the chase already, here are the games that I'm talking about: