Use the below to find out which item you might be missing, and where you can go to find it. In your menu, you can pull up and view all collectible data that you've obtained so far, aside from Mjolnir Locker unlocks. Catacomb Achievement - Discover all hidden Skulls.Headstrong Achievement - Discover your first hidden Skull.Haruspis Achievement - Scan all seven Forerunner Artifacts.Eld Aficionado Achievement - Scan a Forerunner Artifact.Rubicon Protocol Achievement - Unlock all Spartan Audio Logs.Infinity Down Achievement - Access your first Spartan Audio Log.

Know Your Enemy Achievement - Unlock all Banished Audio Logs.

Two Sides to Every Story Achievement - Access your first Banished Audio Log.

Canon Collector Achievement - Unlock all UNSC Audio Logs.

Dispatches From the Front Achievement - Access your first UNSC Audio Log.

There is one secret collectible on this level, the final Bandanna Skull.īy collecting all of the above items and completing other regional objectives you'll be working towards earning the following Achievements.

Halo 1 map