First day sales in Japan

[PSP] Hakuouki: Yuugi Roku (Idea Factory) – LE 10,600 (65%) / SE 3,800 (58%)
[PS3] 2010 FIFA World Cup: South Africa (Electronic Arts) – 7,900 (28%)
[360] Metro 2033 (Spike) – 4,100 (40%)
[NDS] Trick DS-han: Kakushi Kami no Sumu Yakata (Konami) – 2,400 (23%)
[360] 2010 FIFA World Cup: South Africa (Electronic Arts) – 1,500 (22%)
[PSP] 2010 FIFA World Cup: South Africa (Electronic Arts) – 1,300 (8%)
[WII] 2010 FIFA World Cup: South Africa (Electronic Arts) – N/A (<500)

Source 1, Source 2