Hey I had the same problem before ,
I was getting bored by playing games.So I started searching new games and I got some interesting games .you should try this games just once.
Following is the list,
I don't know about you If you have played series of Prince Of Persia <this game is awesome.you will spend your good time in it.
The second one I play Is NFS most wanted 4.
Just check out once.
you will not get bored that is for sure.