Oyun dünyasının en önemli pazarı olarak görülen Japonya’da, hem yazılım hem de donanım satışları savaşı son hızla devam ediyor. 
Nintendo Wii
01. Wii Fit – 2,166,602
02. Mario Kart Wii – 2,065,949
03. Super Smash Bros. Brawl – 1,789,596
04. Animal Crossing: City Folk – 875,726
05. Wii Sports – 843,569
06. Wii Play – 561,189
07. Wii Music – 299,135
08. Mario Party 8 – 269,869
09. Deca Sports – 255,459
10. Super Mario Galaxy – 246,627
Nintendo DS
01. Pokemon Platinum – 2,230,765
02. Rhythm Heaven – 1,445,441
03. Dragon Quest V: Hand of the Heavenly Bride – 1,237,125
04. Kirby Super Star Ultra – 920,017
05. Pokemon Ranger: Shadows of Almia – 645,778
06. Professor Layton and The Last Time Travel – 610,161
07. Mario Party DS – 567,737
08. Wagamama Fashion: Girls’ Mode – 546,778
09. Mario Kart DS – 521,489
10. DS Bimoji Training – 511,629
PSP
01. Monster Hunter Freedom Unite – 2,425,320
02. Dissidia: Final Fantasy – 665,511
03. Phantasy Star Portable – 663,784
04. Mobile Suit Gundam: Gundam vs. Gundam – 392,242
05. Power Pro Portable 3 – 362,828
06. Gundam Battle Universe – 257,447
07. Monster Hunter Freedom 2 – 233,285
08. Monster Hunter Freedom Unite (PSP the Best version) – 208,528
09. Pro Evolution Soccer 2008 – 203,180
10. Mobile Suit Gundam: Giren no Yabou – Axis no Kyoui – 181,177
Playstation 2
1. Super Robot Taisen Z – 483,072
2. Warriors Orochi 2 – 407,481
3. Shin Megami Tensei: Persona 4 – 314,835
4. Dynasty Warriors: Gundam – 267,129
5. Dynasty Warriors 6 – 239,966
6. Power Pro 15 – 213,634
7. J-League Winning Eleven 2008 Club Championship – 195,285
8. Professional Baseball Spirits 5 – 168,632
9. Tales of Destiny: Director’s Cut – 166,903
10. Dynasty Warriors: Gundam 2 – 154,206
Playstation 3
01. Metal Gear Solid 4: Guns of the Patriots – 680,375
02. Devil May Cry 4 – 310,023
03. Pro Evolution Soccer 2009 – 308,360
04. Ryu ga Gotoku Kenzan! – 297,790
05. Grand Theft Auto IV – 222,185
06. Dynasty Warriors: Gundam 2 – 220,684
07. Gran Turismo 5 Prologue: Spec III – 212,611
08. White Knight Chronicles – 206,954
09. Valkyria Chronicles – 153,002
10. Dragon Ball Z: Burst Limit – 145,640
Xbox 360
01. Tales of Vesperia – 178,557
02. The Last Remnant – 134,949
03. Infinite Undiscovery – 113,029
04. The Idolm@ster: Live For You! – 59,025
05. Devil May Cry 4 – 53,491
06. Soul Calibur IV – 52,884
07. Grand Theft Auto IV – 51,462
08. Fable II – 50,019
09. Fallout 3 – 47,288
10. Call of Duty 4: Modern Warfare – 38,708
