For teens

Tower defense is a fun and exciting type of game, and best of all it's a style that adapts equally well to computer, desktop, phone, tablet or console system. It's the perfect mix of strategy and real-time. Best of all, tower defense games don't use up a ton of time - you can quickly play a level in between other tasks or events. Let's move on to discover the best tower defense games.

These young adult books are extremely disturbing, suitable for anyone who wants a gripping plot. These books do not rely on the supernatural or unnamed forces to achieve their sense of horror or dread, but rather on the gradual darkening of plots involving everyday people in unusual situations. So if you want to read an unforgettable book with a strong impact and plenty to keep you going, try any of these disturbing YA books.

Are you getting frustrated with your game at NationStates? Here are some tips for how to play and get all the fun with none of the frustration.

Tower defense is an exciting and fun genre of game, combining live action with thought and strategy. It has the advantage of being able to be played even with just a few minutes here and there; it doesn't require a large block of time from you. Every now and then you'll run into a difficult level that's hard to get past. Here are where these tower defense tips come in handy. Try these out and you'll be beating levels in no time.