Campaign Levels
Beginning Cinematic
Mission 1 Sierra 117
In the first mission Sgt. Johnson finds and rescues Master Chief from the jungle. He must get to the rally point for evact. Later on he must save Johnson before they leave.
Mission 2 Crows Nest
The Prophet of Truth plans to attack the UNSC base. Master Chief is given the order to protect the base while Marines escape. Then when the time is right set off the bomb in the base destroying all the data so the Covenant can't get to it.
Mission 3 Tsavo Highway
On this mission your goal is to drive away from the base before it explodes and reach the town of Voi. Only way to get there is the Tsavo Highway. You must battle your way through.
Mission 4 The Storm
In this mission you must help the UNSC destroy a Covenant Anti-Air Cannon, so the UNSC fleet can bust through. First you have to break through the Covenant defences.
Mission 5 Floodgate
In this level you and the Arbiter along with other Marines must destroy the Flood crashed ship to prevent it from infecting the entire planet. Cortana is said to be held on this ship so finding her is another important job.
Midgame Cutscene
Mission 6 The Ark
After following the Covenant to the Ark you land and try to find the cartographer to located the control room.
Mission 7 The Covenant
Your mission is to take down the Prophet of Truth before he fires all the halo rings throughout the universe. You must take down the shield generators and then storm the Citadel.
Mission 8 Cortana
In this mission you must find Cortana in High Charity.
Mission 9 Halo
In this last mission you must destroy the new halo replacement the one you destroyed in the first game. The Monitor will try to stop you later on so watch it.