Square Enix have posted the lifetime sales for it's major franchises. These figures include multiple platform releases, remakes, as well as handheld spin-offs and recent downloadable games. To sum them up it perfectly crudely, Square Enix have made a sh*t load of money.
- Final Fantasy: 85 million (units)
- Dragon Quest: 47 million
- Tomb Raider: 30 million*
- Kingdom Hearts: 12 million
- Hitman: 8 million*
*These are recent acquisitions via the buy up of UK based Eidos