Curious

Curious is an achievement in Halo: The Master Chief Collection. It is awarded for activating the first Halo 2: Anniversary Terminal on Cairo Station. The achievement is worth 5 Gamerscore and can be unlocked on any difficulty. The Xbox achievement art is concept art of the first terminal's scene featuring Thel 'Vadamee aboard the Infinite Spoils.

Location
The terminal can be found in the armory to the left of the table laden with weapons. It takes the form of a monitor flashing "INCOMING MESSAGE".