Remember Lemmings? They’re back! In Pog DHTML form.

The old Lemmings game, that if you weren’t carefull, you could play for hours and hours, is back and ready to kill your day once again. This time its online and free.

Link: Lemmings Online Via BoingBoing

According to the same BoingBoing article, there is also a Javascript implementation of Super Mario Bros, but fair warning: It crashed Firefox for me.