Fancy Brick Breaker is an improved free brick breaking game offered by free downloadable games. You have to catch a ball with your slider and hit bricks above.
Bubble splasher is a great free downloadable game. You have to hit other bubbles with your own bubble. To smash a bubble you need to hit one that is the same color as your shooting bubble.
Tetris Arcade is an interesting arcade game for free. You have to move these items during their falling using the arrow keys to organise where it lands at the bottom of the image, in order to keep a maximum of empty space for the next items.