Space Invaders Extreme: made portable on Nintendo DS

Space Invaders Extreme has been made portable on Nintendo DS and I feel this is a classic game that should be in every portable games collection, but some of the younger generation might prefer only to play high tech / high budget games.

PC gamers would say “i get it for free”, but then you cannot really pull your PC out of your pocket (unless it’s an UMPC). You can watch a video of the game below.

Do you think Space Invaders Extreme worth paying money for?