What is the Rarest/Most Valuable Game You Own?

[Busted]

Xenogears and Final Fantasy VII for the ps1 and the .hack // GU trilogy (Vol1. Rebirth, Vol2. Reminisce and Vol3 Redemption) for the ps2 all of those are quite rare SPECIALLY here in Ven where is almost impossible to find original copies of the PS1/2 era :)