Can a German GameCube Play American Games?

Mostly yes, but with exceptions.

General Rule

• Most GameCube games are region-free—playable on any region's console.
• Some are region-locked (rare compared to other consoles).

Region Codes to Check

• NTSC-U/C: North America/Canada
• PAL: Europe, Australia, NZ (Germany is PAL)
• NTSC-J: Japan

Check the game's packaging or online database for its region code. When in doubt, buy the PAL version for a German console.