It also includes Tiger, a secret character that is not normally unlockable in the game.
You can find a Tekken 3 complete save file that works with RetroArch and its cores. : This is a website that hosts various game saves for different platforms. There are many sources where you can download Tekken 3 MCR files for PSX. By using these files, you can load the game with all the characters and modes already unlocked, without having to do anything else. They are compatible with various PlayStation emulators, such as ePSXe, PCSX-ReARMed, Beetle PSX, and DuckStation.
Tekken 3 MCR files for PSX are memory card save files that contain all the data and progress of the game.
