optimized with Excelsior JET

Excelsior and Excelsior JET are trademarks of Excelsior LLC in the Russian Federation and other countries. The Excelsior JET Badge is a trademark of Excelsior LLC, used with permission.

Who are we?

GEWALTIG entertainment was founded in 2004 as a non-profit organization in Switzerland. We are a small group of developers who enjoy to create freeware games.

  • Simon Felix
  • Rick Postmus (Website)
  • Marco Schweighauser
  • Dominik Baltzer
  • Christoph Dörfel (Website)
  • Jonas Weibel (Cultris I)


Our games are based on LWJGL, BASS, NativeBass, Allatori and Excelsior JET. All sounds and music used were composed by Tomi Korkalainen, Lukas Nystrand, Stephan Raab (1998), Mark Wallowy, Eivor Lilja, Esa Ruoho, Kai Fischer, Konsta Mikkonen, Christian Antkow and others.

All those individuals and companies supported the development of our games by making their products and music available to us at no charge. Please support them!

Any questions or feedback?

Please report bugs, questions or your feedback in our forum.