I'm torn. SoT was innovate, fresh, and had a great story. But Two Thrones was a perfection of the gameplay aspect.
The worst one is certainly PoP 3D for Dreamcast. I was so pissed when a girlfriend accidentally bought it for me instead of Soul Calibur.
XBL: WiiVault Wii: PM me PSN: WiiVault
PC: AMD Athlon II Quadcore 635 (OC to 4.0ghz) , ATI Radeon 5770 1GB (x2)
MacBook Pro C2D 2.8ghz, 9600m GT 512 iMac: C2D 2.0, X2600XT 256