A lot of people just view threads and don't post in them, keep up the good work

Oh well I was worried that it would fall down to like page 5, I don't think people view old threads as commonly. I'll keep up the update and if people ask, I will do one of these for GT5.

Nah, the game got lower reivews then I expected, and overall seems like it needed some extra polishing. I think it can still do 12-12.5 lifetime, as it's selling about 8% better then Halo 3 weekly.

I also think my Black Ops predictions will be off, I think the both versions will sell 1.5 million more units then I expected. Just a Treyarch CoD and Vietnam, a war no game has ever really profited off. Didn't look too great in June.

Still I keep the predictions up because no can tell the future, and it's no fun when I edit out my false predictions.

Looks like in week 4, Halo: Reach outsold Halo 3 by 75k (or by 41%!), bringing up the overal ratio up by 1.2%. Halo Reach also outsold outsold ODST by 88% this week (almost double sales), so all signs point to this game selling over 12 million lifetime.

Halo 2 and CoD's outsold Halo, but keep in mind these games released in November, typically a time when holiday sales significantly increase sales. During November Halo 3 and ODST numbers also jumped to similar figures, so after the 10 week period I have up, Reach should begin to prosper from Holiday sales, where CoD will be in weak January sales, and the sales ratios should level out more evenly.

In week 5, Halo: Reach continues to outsell Halo 3 by a strong weekly factor, this time it's 21%. Reach may have only had a 6.2% stronger launch, but on a weekly basis, Halo Reach is attracting more new gamers. If Reach can hold the current 8.8% total difference, it should sell 12.2-12.5 million total, but  if it the overall sales ratio grows to 15%, Reach can reach (ha!) 12.9 million total sales. Numerous factors can change this, 360 may begin to lose popularity in the next comming years, as this year is likely its peak year. A Wii successor looks like a real posibility by fall 2012, and 343 studios does plan to make yearly Halo games, which will cut into prior game sales.

It may not outsell Modern Warfare 2, but Halo has definatly found it's sales standard now, and it's 11-12.5 million.

In week 5, Halo: Reach continues to outsell Halo 3 by a strong weekly factor, this time it's 21%. Reach may have only had a 6.2% stronger launch, but on a weekly basis, Halo Reach is attracting more new gamers. If Reach can hold the current 8.8% total difference, it should sell 12.2-12.5 million total, but  if it the overall sales ratio grows to 15%, Reach can reach (ha!) 12.9 million total sales. Numerous factors can change this, 360 may begin to lose popularity in the next comming years, as this year is likely its peak year. A Wii successor looks like a real posibility by fall 2012, and 343 studios does plan to make yearly Halo games, which will cut into prior game sales.

It may not outsell Modern Warfare 2, but Halo has definatly found it's sales standard now, and it's 11-12.5 million.

Week 7 marks the last week games like Halo 2 and Modern Warfare benefit from holiday boosts. Weekly sales plumet to values 1/2 as big in week 8, and 1/4 as big in week 9. Week 9 is also the week Halo 3 and Halo 3: ODST started to gain from the holiday boost, so expect ratios between Halo and CoF to increase dramatically after week 9 (graph will be updated to 15 weeks in order for Halo Reach/3/ODST to gain the same holiday boost CoD and Halo 2 got, and make the resulting comparisions fairer).

Also not Halo Reach sold equal to Halo 3 for the corresponding week (108k). Does this indicate that next week Halo Reach sales will be lower then Halo 3 sales? Or will the launch of Kinect boost Halo: Reach sales in some way? Note: the difference between the two games in terms of weekly sales has been shrinking in the last 2 weeks, but fluctuating beforehand.

Thanks to the launch of Black Ops, Halo: Reach weekly sales did not grow like Halo 3 weekly sales did. In fact, they shrank by 3k. Maybe the compedetive effect of CoD affected Halo: Reach sales, but then again ODST sales also grew despite the release of Modern Warfare 2.

Could this be due to Kinect, Black Ops, or is it just a bad week for Reach? Judging from the data, I dunno if reach will outsell Halo 3 anymore. I still think it will, but the lead Reach has had over Halo 3 has shrunked to just over 7% now.

Next week I will expand the tables to 15 weeks so Reach gets the sale holiday advantage CoD and Halo 2 get. It's also an interesting time in sales

Chartz have been expanded to 15 weeks, and one thing I noticed is Halo 3 benefited from Black Friday sales in week 9, while Reach was in week 11. So although Reach is still selling 5.5% better then Halo 3, that ratio is likely to jump back up to 8% or so. Also CoD: MW2 and Halo 2 ratios are starting to tilt in favor of Reach since their holiday season would have been over.

I may expand graphs to 16 weeks so Halo Reach gets to take advantage of the entire holiday season. Since Halo 3 and ODST were released later in the year, they only had 15 weeks to sell in that year, but Reach has 16 weeks. Gotta be fair.

Updated to week 15, as I predicted the sales ratio between Reach and Halo 3 increased in favor of Reach due to Halo 3 releasing a week earlier and experiencing the holiday boost always a week earlier. At this point, Halo 3 just finish the holiday season, so expect Reach to bouch back up to around 7-8% greater sales over Halo 3 next week.

In comparision to MW2 Reach is also selling better, but Black Ops is just owning.