Action games
If you don't play games that much, there is a big chance you have played an action game, e.g. a shooter, at some point. This category is full of games that won't let you get bored.
Luxor 3
Wacky shooter
Drox Operative
One Late Night
Virtual Villagers - The Secret City
DemonStar
Dekaron
Awakening
Vogue Tales
Alien Outbreak 2 - Invasion
PREY
WWFRAW
Plummit
Hounds Last Hope
Hulk Smush Up
F.E.A.R. 2: Project Origin
Adventure Craft
I Am Alive
Deadly Stars
Eve
Invading Force3
Beetle Bomp
Torque 3D
Souptoys
Air Shark
The Incredibles - When Danger Calls
XFatum
Core Fighter Demo
Tanks Evolution
Discover FDM
Add-on support
You can get add-ons that download files/video from arbitrary websites.