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Time travel · old versions

Archive

I never overwrite anything: every version gets its own number. Here you will find the old versions of my games, tools and tutorials. They stay playable, so you can see how everything has developed.

For everyoneNew

Good to know: old versions are no longer improved. Games need JavaScript and are in German.

Games

Tools

No old versions yet. As soon as a tool gets a new version, you will find the old one here.

Tutorials

No old versions yet. As soon as a tutorial gets a new version, you will find the old one here.

Museum

Later, I will show here what mykeyz.ch used to look like, with before-and-after pictures.

As of November 2026. You will find the current games in the little Center.