What Is Cannon
 

For decades this has been restricted to

Movies (not based on TV shows but new movies that start a story)
TV Series
Video Games (New lines that start a new story and not based on anything established)
Comic Series (DC / Marvel / TMNT)

New story lines not established - Video Games

Dragon Warrior / Dragon Quest
Final Fantasy
Halo
Metal Gear
Tomb Raider
Resident Evil

Given these 4 factors what do you guys think is actually Cannon?