"Nick.com's New Game of the Week is here! Every week, Nickelodeon will debut a brand-new, never-before-seen game on nick.com! If you're a gamer, it’s the place to be for more games than ever before! This week’s featured game is SpongeBob SquarePants: Dungeons and Dragons.
Click here to play."
Nick is putting out a new SpongeBob online game every week, to coincide with the remaining episodes of Season 4, I assume. Sure it's a marketing ploy, but it's a fun one!