Today I got this sealed box of games from flee market. Does anyone know anything about this company or the value of this box? The company is called Swing! Entertainment, the box is from 1998.
Swing Entertainment Media AG was a producer and publisher of video games until its bankruptcy in 2003. The company was founded in 1998 and started with second and third marketing of PC games (like your Game Gallery). Later on they also produced new games and ported games to consoles. [Source (in German)]