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Well, your question really gives a pretty big hint to the answer: You need to do two things: 1. Remove the counter from the first world 2. Add it to the second world The code you've posted is just for the Counter class itself, so it's hard to give precise help. But basically, at some point, where you are actually setting the second level using Greenfoot.setWorld(), you also need to transition the counter to the new world. Your main challenge then is to get a reference to the

You have all the reason "nccb" with your explication. I followed your advice redesigning my scenario and it works perfectly. Thanks a lot. Regards, Juan.

Yes, the RainDrops do have a method to remove themselves, based upon whether they have fallen a certain distance or not. I think that they get removed, because I don't see their image afterwards.

I'd suggest using Netbeans or Eclipse as an IDE, together with some sort of game library - however, I'm not really familiar with what game libraries are out there. I suppose if GTGE has bugs you could report them and hope that they are fixed, or if it is open source, try and fix them yourself - doing this is a good opportunity to learn some more advanced programming.

AudioInputStream is involved when playing sounds, yes.

The world has two methods, 'started' and 'stopped', that are called when the game is started and stopped. Here is a good place to start and stop your music. Something like this: <Code Omitted>

Would it be possible from someone to show the completed version, so you can see it actually running in Greenfoot?

Do you have a reverseY() method in your Orb class? (also, when you get a compiler error, please tell us on which line of your code the problem is! Thanks). Also, your code seems to have been copied wrongly. You would get plenty of other errors first if you tried to compile the exact code you posted! You have a couple of an extra '}' symbol. Make sure you copy and paste the exact code!

THanks everyone! I'll check those resources out n see what I can understand. I appreciate the replies!

Read this tutorial, if you haven't already. It may be of some benefit to go through the other tutorials too. Once you've done that much, if you still don't understand, post some specific questions here.

You should be able to use the same code (basically). You just need an integer instance variable to control the general direction (1 for left to right (increasing x), and -1 for right to left (decreasing x)). If your robot faces left or right, you can reverse the image (mirrorVertically()) to show it facing the other way.

I already figured it out, but thanx anyway, couldn't have done it without you

Thanks :D! I got it all finished up here

Ahaha, thanks, I forgot I needed to create a new one since there wasn't one there yet. If it doesn't work as a world I'll make it an actor. Thanks :D.