Typically because of all of the cussing, and game play.
halo 2 it was the best Halo
No. All Halo titles have been rated M for Mature.
No. Halo: Reach will have the same rating as the rest (excluding Halo 1 and Halo Wars, in which they are rated T), being rated M (mature). The violent content of the series continues with each game, only seeming to intensify, if anything. This particular game has a 100% chance of being rated M.
If your talking about the video game, Halo 2 from Bungie Studios, it is rated M for Mature.
halo wars is rated teen
Play halo reach yah
Halo Reach has already been rated M for blood and violence.
It is rated M
M
I think all the Halo games (like halo reach) match your idea of an okay M rated game
Halo 4 has excessive blood, including shedding blood as you hit a corpse. Also, the flood mode is somewhat graphic. Halo's history as an M game contributes, too.
M