How to Emulate the GameCube on Your Steam Deck
Longing for the days of Nintendo’s most cubiform console? On Valve’s Steam Deck, you can emulate the GameCube with a tool called Dolphin (not to be confused with the Deck’s file manager). We’ll walk you through getting it running and show you some tips for making the most of the GameCube emulator.
Source: howtogeek.com