PlayStation
The original port of Tekken 3 to the PlayStation featured two new characters: Gon and Dr. Boskonovitch. Anna was also updated and given her own character-select spot complete with a unique portrait, voice, stance, a few of her own unique moves (as well as her moves from the first two games, some of which were given to Ogre) and her own ending, as opposed to in previous installments, where she was basically a model-swap of Nina. Still, she reused a lot of Nina's strikes and throws. She was made even more unique in Tekken 5.
The PlayStation version features new "Tekken Force" and "Tekken Ball" modes, as well as all modes present in Tekken 2. Due to PSX hardware limitations (less video RAM and lower clock speed) the visual quality was reduced. The backgrounds were re-made into 2D panoramic images, the character poly-count was reduced, and the game ran at lower overall resolution.
The PlayStation 2 release of Tekken 5 features the Arcade version of Tekken 3.
Read more about this topic: Tekken 3