Wikipedia: 2003 in video gaming - MobyGames: Browse 2003 - The International Arcade Museum: 2003
Advance Wars 2: Black Hole Rising
Game Boy Advance 2003@58
Espgaluda
Arcade 2003@1456
Legacy of Kain: Defiance
PlayStation 2 2003@52
Prince of Persia: The Sands of Time
PlayStation 2 2003@101
R-Type Final
PlayStation 2 2003@42
Silent Hill 3
PlayStation 2 2003@490
Soulcalibur II
PlayStation 2 2003@69
SVC Chaos: SNK vs. Capcom
Neo Geo 2003@146
Tenchu: Wrath of Heaven
PlayStation 2 2003@68
The King of Fighters 2003
Neo Geo 2003@114
Warhammer 40,000: Fire Warrior
PlayStation 2 2003@102
Castlevania: Aria of Sorrow (Game Boy Advance)
R-Type Final (PlayStation 2)
Shadow Tower Abyss (PlayStation 2)
Sonic Pinball Party (Game Boy Advance)
SVC Chaos: SNK vs. Capcom (Neo Geo)
Tenchu: Wrath of Heaven (PlayStation 2)
The Great Circus Mystery starring Mickey & Minnie (Game Boy Advance)
The King of Fighters 2003 (Neo Geo)