Millenium on 04 July 2012
Halo: Reach vs Halo 4 Comparison:
| Week | Halo: Reach | Halo 4 | Net Difference |
| 20 | 25,858/124,684 | 29,996/408,079 | 4,138/283,395 |
| 19 | 15,796/140,480 | 23,281/431,360 | 7,485/290,880 |
| 18 | 27,099/167,579 | ||
| 17 | 28,778/196,357 | ||
| 16 | 24,716/221,073 | ||
| 15 | 23,192/244,265 | ||
| 14 | 21,180/265,445 | ||
| 13 | 20,476/285,921 | ||
| 12 | 28,162/314,083 | ||
| 11 | 45,240/359,323 | ||
| 10 | 31,118/390,441 | ||
| 9 | 41,613/432,054 | ||
| 8 | 97,072/529,126 | ||
| 7 | 103,321/632,447 | ||
| 6 | 113,957/746,404 | ||
| 5 | 129,759/876,163 | ||
| 4 | 150,181/1,026,344 | ||
| 3 | 166,818/1,193,162 | ||
| 2 | 190,019/1,383,181 | ||
| 1 | 245,941/1,629,122 |
Halo: Reach FW in USA: 2,399,908 (147.3%)
Call of Duty: Modern Warfare 3 vs Halo 4 Comparison:
| Week | Modern Warfare 3 | Halo 4 | Net Difference |
| 20 | 74,219/338,140 | 29,996/408,079 | -44,223/69,939 |
| 19 | 71,700/409,840 | 23,281/431,360 | -48.419/21,520 |
| 18 | 27,176/437,016 | ||
| 17 | 25,552/462,568 | ||
| 16 | 62,879/525,447 | ||
| 15 | 51,254/576,701 | ||
| 14 | 45,083/621,784 | ||
| 13 | 57,420/679,204 | ||
| 12 | 50,857/730,061 | ||
| 11 | 41,065/771,126 | ||
| 10 | 63,207/834,333 | ||
| 9 | 96,522/930,855 | ||
| 8 | 91,825/1,022,680 | ||
| 7 | 104,399/1,127,079 | ||
| 6 | 109,803/1,236,882 | ||
| 5 | 118,153/1,355,035 | ||
| 4 | 140,620/1,495,655 | ||
| 3 | 226,744/1,722,399 | ||
| 2 | 353,438/2,075,837 | ||
| 1 | 371,628/2,447,465 |
Call of Duty: Modern Warfare 3 FW in USA: 4,274,264 (174.6%)
