Christmas Lights
Nice little math drill game. The more correct answers you do, the more lights you get to put on your house!
http://www.abcya.com/
Balloon Defense
Soccer Balls 2
Aim and kick with the mouse. Levels also require hitting a referee, and sometimes opening gates, by hitting a button.
http://www.kongregate.com/games/TurboNuke/soccer-balls-2