ONI Alpha Site/Walkthrough

1.Arm the bombs on the bridge.Once you done that run to the end of the bridge and climb a tower

2.Face the computer and wait for the intel to show then a message should say "press RB to detonate charges"

3.Retreat back.A large amout of covenant will come on phantoms

4.One you cleared the area outside the building, go inside the building.Some Police would come out

5.Once your inside a few suicide grunts will charge from the doors,after that a few brutes and jackels will come.Once you clear them all,there will be phantoms behind you that sends out brutes

6.Once you clear all the brutes, a elevator will come up and a policeman will apear,on the way up,a few drones will attack.You can either hide behind a small wall or fight with micky and the police

7.Once you get up, a few phantoms will drop off some jetpack brutes,brutes,grunts and jackels.Once you clear most of them a pelican should arrive

8.Enter the pelican and your done with the level

Triva

When you complete this level, you will earn an acheivement of 30 gamerscore and a new firefight map