There have been a few new browser games recently that have grabbed my attention lately. First is a Flash version of Valve's Portal game.  This game is a lot of fun. I loved the original portal, and this Flash based one really keeps the feel of the original despite being in 2D.  Next is Zombooka.  Its a physics game where you have to shoot a protectile and take out a bunch of targets.  Nothing really new, other than the fact that the targets are zombies. Who doesn't like to ki