PSOne sales: 100,900,000
PS2 sales: 74,000,000 (Started making a profit for Sony in 2005)
NES sales: 61,780,000
SNES sales: 49,020,000
Genesis sales: 35,000,000
N64 sales: 32,930,000
2600 sales: 25,000,000
Xbox sales: 22,000,000 (Lost Microsoft 4 billion USD)
Gamecube sales: 18,760,000
Dreamcast sales: 10,000,000