Halo CE: Activate Terminal 5 on Assault on the Control Room. - Halo: The Master Chief Collection
Halo CE: Complete The Truth and Reconciliation with at least four rounds left in your Sniper Rifle. - Halo: The Master Chief Collection
Kill 1000 Grunts. - Halo: The Master Chief Collection
502/25,518290/7,00039/700
1,197/6,081545/1,85026/76
20/1,59320/1,0001/33