yo_john117 on 26 September 2011
| Week | Halo 3: ODST | Halo: CEA | Net Difference |
| 11 | -- | 18,654/185,178 | -- |
| 10 | -- | 15,966/201,144 | -- |
| 9 | -- | 21,041/222,185 | -- |
| 8 | -- | 37,234/259,419 | -- |
| 7 | -- | -- | |
| 6 | -- | -- | |
| 5 | 400,944/400,944* | ||
| 4 | 47,793/448,737 | ||
| 3 | 83,191/531,928 | ||
| 2 | 110,957/642,885 | ||
| 1 | 111,014/753,899 | |
| Week | Forza Motorsports 3 | Forza Motorsports 4 | Net Difference |
| 5 | 7,913/69,498 | 9,778/124,234 | 1,865/54,736 |
| 4 | 10,853/80,351 | 14,324 /138,558 | 3,471/58,207 |
| 3 | 13,691/94,042 | 12,029/150,587 | -1,662/56,545 |
| 2 | 18,364/112,406 | ||
| 1 | 30,974/143,380 |
