To play games on GameSamurai.net you have to have JavaScript active (from the browser's options) and a recent version of Adobe Flash Player.
For the 3D Games you have to have a recent version of Adobe Shockwave Player.
You thought the first version was hard? Try finishing all 36 levels of this second veriosn and you'll find your skills and brain being seriously put to the test. Don't dispair, each level can be solved. You just have to find the star.