What different genres of games are discussed?
Nearly all genres are discussed including:
Sports Games
Fantasy- This was said for people to escape from their lives and be who they want to be. 
Action- There are examples of this getting very graphically violent. 
Adventure


What does the documentary say about character development?
The Documentary states regarding characters that:
The player develops a relationship with them through perhaps feeling sorry for them and wanting them to complete their mission. Some also say that they can relate to the character in some ways as the GTA example was mentioned when the guy said he thought the character was a good guy in bad situations like himself.