Halo: Reach is a first-person shooter video game set in the Halo universe and direct prequel to Halo: Combat Evolved, depicting the Fall of Reach. It was developed by Bungie, LLC. And published by Microsoft Game Studios solely for the Xbox 360. It was announced by Joseph Staten during. Full list of achievements and guides for the Anniversary Map Pack DLC pack in Halo: Reach. The pack has 7 Achievements worth 250 Gamerscore.