Only a true Master Chief will get more than 15 in this Halo quiz!

So you reckon you're a big Halo expert, able to tell your Spartans from your Prometheans? But how well do you really know Chief? You might have played everything since the first Halo: Combat Evolved first arrived in 2001, but with 21 games (including remasters and spin offs) since there's a lot to know. If you think you can spot the difference between a Type-50 α sniper rifle and a Type-50 δ sniper rifle then this is the challenge for you. Try your luck and let's see what you score. 

Leon Hurley
Managing editor for guides

I'm GamesRadar's Managing Editor for guides, which means I run GamesRadar's guides and tips content. I also write reviews, previews and features, largely about horror, action adventure, FPS and open world games. I previously worked on Kotaku, and the Official PlayStation Magazine and website.