Roughly,
- Day one sales * 2-4 = Week one sales
- Week one sales * 2-4 = Lifetime sales
With the exception that Nintendo games in specific tend to have longer legs and higher weekend boosts, puzzle games and such have longer legs in general, very very hardcore games have very frontloaded sales.[1]
So, regardless of whether more days fall into the later month, for this site's purposes the months are determined by where the first day of the tracking period falls?
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==Hardware sales figures==
{| class="wikitable sortable"
!Console
!Week 1
!Week 2
!Week 3
!Week 4
!Week 5
!Total
|-
|[[Nintendo DS]]
|
|
|
|
|
|style="font-weight:bold" |
|-
|[[PSP]]
|
|
|
|
|
|style="font-weight:bold" |
|-
|[[Wii]]
|
|
|
|
|
|style="font-weight:bold" |542,982
|-
|[[PS3]]
|
|
|
|
|
|style="font-weight:bold" |
|-
|[[Xbox 360]]
|
|
|
|
|
|style="font-weight:bold" |
|-
|[[PS2]]
|
|
|
|
|
|style="font-weight:bold" |
|}