Here are possible titles for another Halo. Having just completed Halo 3,I thought this would be fun. It would sound dumb to just call it "Halo 4".

Halo 4: Start Another Fight

Halo 4: Naptime is over

Halo 4: Electric Boogaloo

Halo 4: Just buy it already

Halo 4: Premium edition

Halo 3: 2

Halo 2:3

Masterchief's excellent adventure

Halo 4: The Phantom Menace

Halo 4: Xbox 360 edition

Arbitar's wacky quest

Halo 64

Halo: Project YENOM

Halo 4: Money of Shooters for Make Benifit Glorious Company or Microsoft

Halo 4: Now better tasting!

Game Fuel: The Game!

Halo DS

Halo: TEH DOUL WEILD

Halo: Camel Urine in a cup?

HALO!!!!!!!!111111111!!

Halo VS. Samus

Halo part IV: Master Cheif Lives!

Halo IV

Halo