Thanks for your feedback.
[QUOTE=GenkiGenga]I jump to the second platform and (uncontrollably) slide all the way to the end of it.[/QUOTE]
That's what's meant to happen - if you play it in Chrome or Firefox, you get sound effects as well.
[QUOTE=GenkiGenga]There was a yellow block that sometimes would appear after i lost a life which i could move to tilt the ball further.[/QUOTE]
The yellow block is key. Check the instructions and think about the name of the game.
[QUOTE=GenkiGenga]Are you using FF?[/QUOTE]
It's been fully tested in IE9, Chrome, Safari and Firefox.
Have another go! And let's know how you go.