I 30 giochi più venduti in Giappone nel 2003
Questi sono stati i giochi più venduti in Giappone nel 2003: nella classifica si nota la prevalenza di titoli Square-Enix e Nintendo, seguiti da Konami e Bandai.
1 Final Fantasy X-2 (PS2, Square Enix) - 1,901,126 
2 Pocket Monster Ruby / Sapphire (GBA, Nintendo) - 1,458,689 
3 Shin Sangoku Musou 3 (PS2, Koei) - 1,173,102 
4 World Soccer Winning Eleven 7 (PS2, Konami) - 1,074,274 
5 Everybody's Golf  4 (PS2, Sony) - 810,641 
6 Mobile Suit Gundam: Encounter in Space (PS2, Bandai) - 568,172 
7 Dragon Quest Monsters: Caravan Heart (GBA, Square Enix) - 566,201 
8 Dragon Ball Z: Budokai (PS2, Bandai) - 538,734 
9 Star Ocean: Till the End of Time  (PS2, Square Enix) - 520,899 
10 The 2nd Super Robot Taisen Alpha (PS2, Banpresto) - 499,430 
11 Let's Make a J. League Pro Soccer Club 3 (PS2, Sega) - 498.214 
12 Made in Wario (GBA, Nintendo) - 492,581 
13 Mario Kart: Double Dash!! (GC, Nintendo) - 461,289 
14 Shin Sangoku Musou 3 Moushouden (PS2, Koei) - 455,009 
15 Devil May Cry 2 (PS2, Capcom) - 442.059 
16 Jikkyou Powerful Pro Baseball 10 (PS2, Konami) - 430,461 
17 Final Fantasy Tactics Advance (GBA, Square Enix) - 420,540 
18 Super Mario Advance 4 (GBA, Nintendo) - 411,546 
19 Mobile Suit Gundam Z: AEUG Vs Titan (PS2, Bandai) - 411,389 
20 Rockman EXE 4 Tournament Red Sun / Blue Moon (GBA, Capcom) - 384,593 
21 Gran Turismo 4 Prologue (PS2, Sony) - 382,471 
22 Taikou no Tetsujin (PS2, Namco) - 374,354 
23 Pokemon Colosseum (GC, Pokemon) - 358,237 
24 Biohazard Outbreak (PS2, Capcom) - 322,379 
25 Taikou no Tetsujin: New Songs of Spring Festival (PS2, Namco) - 321,922 
26 Final Fantasy Crystal Chronicles (GC, Square Enix) - 310,674 
27 Mario Party 5 (GC, Nintendo) - 302,532 
28 Legend of Zelda: Four Swords (GBA, Nintendo) - 268,957 
29 Nechu Professional Baseball  2003 (PS2, Namco) - 266,947 
30 Kirby's Air Ride (GC, Nintendo) - 265,083