Halo 2

Halo 2 is the sequel to the highly successful and critically acclaimed Halo: Combat Evolved. In Halo 2, the saga continues as Master Chief—a genetically enhanced super-soldier—is the only thing standing between the relentless Covenant and the destruction of all humankind.

The story continues...

The destruction of Halo slowed the Covenant, but it did not stop them.  Fueled by faith, fury and vengeance, they have swept aside all of our defenses and gained a foothold on the most precious prize of all - Earth.  With the human military scattered and crushed, the fate of the planet lies in the hands of one man.  Spartan 117 - the Master Chief.  But resourceful and tenacious as he is, the Master Chief will have to rely on new weapons, unexpected allies and a secret so incredible it will change the galaxy forever.