VG Cats Animated Series Easter Egg - Half-Life 2 References

Go to the VG Cats Animated series website which is:
http://www.boe-entertainment.com/movies/vgcats.htm
(You can copy and paste it onto your tool bar to make it faster than typing it)
Press the forward button five times or just watch the video untill it is the scene where Ares is siting in front of the TV quickly press the pause button there is a book shelf against the wall there is the gravity gun from Half-life 2 on the bottom shelf also use the right-click button and select the zoom in function on the books read the labels they are quite entertaining