^ You can see from the name of your thread that citizens of PTT are not quite interested in educational and informative games; no offense.
Shoot em up's is where it's at....
America's Army
Battlefield
Quake
Half-life
Or maybe something a little different.....

http://www.apple.com/downloads/macosx/games/simulation_and_sports/ratsampspearsmac.html

I'd try it... But 198 meg?!

Well I'm not young or old and I still go to school don't you think thats education enough?(of course not you can never have enough education)

Well, that is really a fun game, already played it more than once, with score of 49k :)
Well, you may like shoot-em-ups, but this game is fun too

I agree, it is a fun game, and teaches you lots of thinks about what WFP does when they need to help some place have food :) , I liked the game, pretty simple too, but will get u hooked for a bit