Titanfall screenshots show all the mechs and jet-powered bum-bags you could ever want

In a nice piece of concept art, Future Soldier Dude admires the sunset, while contemplating going to the toilet on his robot friend.

That jet-powered butt-satchel in all its glory. Notice the presence of a lovely tree - see, the future isn't all grey doom and gloom. It's just mostly grey doom and gloom.

Ah, a player shooting another in the back. It's nice to see Respawn haven't totally moved away from their CoD roots.

Why would a mech need a special 'mech gun'? Couldn't you just graft the appropriate weapon onto the arm itself, and switch it out when another one is needed? Still, it does look quite cool.