Dolphin is a Gamecube emulator that you can use to play any old game from the Gamecube. This can bring back really great memories of playing classic games like “Phantasy Star Online Episodes 1 & 2”. It even lets you play multiplayer on those games across the internet. So you can easily connect with old friends and play like you used to do when everyone was little. There are also ways to get true online gaming for some games, if they still have a server going or you make your own server for the game. It is extremely simple to set up the program and start playing the game right away. You can find any old Gamecube game online to download. You can download Dolphin at their website.
If you are interested in emulators then you may want to know about OpenEMU for macs.
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