Yes
yes
Halo 4 is rated M (17 and up) for blood, gore, violence, and language.
no but cortanas look should change because many ages play halo 4
halo wars is rated teen
Halo Reach has already been rated M for blood and violence.
It is rated M
M
Yes for the some bad words and cortanas appearance
No. All Halo titles have been rated M for Mature.
M
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.
halo 2 it was the best Halo
It's rated M for Mature