404 errors when playing games

when i use the links in the newest games, and most played games i get 404 errors..any ideas why?

--------------- Added [DATE]1243557357[/DATE] at [TIME]1243557357[/TIME] ---------------

also none of the links work "back to arcade", "your settings"..etc

its adding a /forums in the urls when there shouldnt be one

--------------- Added [DATE]1243563109[/DATE] at [TIME]1243563109[/TIME] ---------------

heres my arcade

http://www.diabeteschat.org/arcade.php