What would you score each Halo game in the 1 out of 10 scale?

[elticker]

halo 1 10/10
halo 3 9.7/10
halo wars 9.8/10
halo 3 odst 6/10
low score for odst cause no matchmaking in firefight and for me they didnt deliver $60 worth.
i havent played halo 2.