Crypt Raider
http://www.miniclip.com/games/crypt-raider/en/
an awesome puzzle game. I tore this up in high school. I played it everyday. I left off on like level 40 or so.
Focus
http://www.venbrux.com/blog/?p=107#comment-4160
Looks like Crypt Raider, so an addictive action puzzle game.