Did you know Halo 3 has a hidden left-handed weapons mode? Here’s how to find it and what it looks like in action! #HaloSecrets #Halo3EasterEggs #LeftHandedMode ...

But the coolest weapon in the series isn’t a gun. It’s a sword — specifically, it’s the energy sword. You may have encountered an energy sword for the first time in 2001’s Halo: Combat Evolved.