A group of archivists have found & dumped 13 review kits for N-Gage games

Specifically, Civilization, Splinter Cell: Chaos Theory, Catan, Glimmerati, System Rush, Pathway to Glory: Ikusa Islands, Rifts: Promise of Power, X-Men Legends II: Rise of Apocalypse, Mile-High Pinball, Asphalt 2, High Seize, One, and Glory in Death.

I believe this means that all of them have been found now.