Download Free I am getting my first tablet soon (Nvidia Shield Tablet) and looking for some good games.

Trine 2, portal and Half Life 2 is some games that I am going to play but I want to test some more, any recommendations?

Download link http://www.mannesoth.com/download/19/12964000/I am getting my first tablet soon (Nvidia Shield Tablet) and looking for some good games.