Non alphabetical characters (like " and ;) are not counted towards the limit of characters, so they can go off the edge of the screen. At first I was hoping that when they did so I would win the level and get to another level, but, I didn't see that happen.
Hero Core (not a puzzle game either, 2D side scrolling shooter)
gah, I know there were dozens of fun indie platformers I played over time, but I don't have a list of them : ( I found most of them (and these) on the indiegames blog and TIG Source, (and by browsing kongregate). I'll try to remember to look when I get home to get a more complete list.