How many PS3 games actually use the Blu Ray storage?

[insomniac17]

I can think of 3 games that use more than what a DVD can hold.

1) Resistance:Fall of Man           

    http://blogs.ign.com/Ted-Insomniac/2006/09/07/30283/

2) Ratchet and Clank Future: Tools of Destruction      

    http://www.gamegrep.com/news/5346-ratchet_clank_at_22_gigabytes/

3) Heavenly Sword

    http://www.ps3fanboy.com/2007/08/14/heavenly-sword-has-10gb-of-sound-data-alone/