Pandamoneum - 25G's - Killed the Panda in Firefight mission "Zoo (Day)" ONI Recon 111 - 125G's - Completed the game on Legendary difficulty Patroller - 50G's - Spent 50 Hours in the Nighttime City Tether Buster - 5G's - Reach the space tether Reachin' Out - 25G's - Played at least 6 hours of the Halo: Reach multiplayer beta Get Tactical, Marines! - 5G's - Use Sergeant Johnson in Firefight Brain Surgeon - 25G's - Find all of the skulls Dutch Chocolate - Completed Dutch's flashback sequence on Normal or higher Time To Dance - 5G's - This achievement is secret. You must unlock it to learn more about it. Never used a BR - 25G's - Get 100 headshots with the M6C/SOCOM Silent But Deadly - 25G's - Killed 50 enemies with the Silenced SMG Deranker's Best Friend - 5G's - Killed all allies in the game Covenant Slaughterer - 50G's - Killed 1000 Covenant in Firefight What The Hell Is This? - 5G's - Gave your SMG or M6C to to a Marine (Not an ODST) Red = Shoot - 50G's - Used the VISR mode for at least 1 hour Dolly the Sheep - 5G's - Completed campaign with 4 players online on Normal or higher Pistol Whip - 20G's - Killed 50 enemies with pistol meelee attacks Quality Entertainment - 50G's - Spent at least 24 total hours in-game It's a f***ing video game! - 5G's - Used the VISR mode as Sgt Johnson Vidmaster Challenge: Virus - 0G's - Played Firefight with a Bungie employee or someone who already has this achievement Survivor - 50G's - Completed a set in Firefight without dying on Heroic or higher (2 player co-op or less) [Edited on 06.23.2009 2:21 AM PDT]