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Thanks, Moobe. I have another concern, please help me if you can, about ' CORRECT THIS ERROR FOR ME ' that is a new post. Thanks

I will try the tutorials, Thank you.

Yeah, just wanted to do that, but then I noticed that it looks more realistic right now! Anyway, thank you so much for your help!

OH Sorry Guys , Penalty game (shooting) ..

The line 'this();' calls and executes your constructor that begins with 'public Level1()'. The 'getScoreCounter()' and 'getLivesCounter()' are methods you might need to write in your world class to get access to those objects (I did say objects; not classes). Since you have two Counter objects in your world, we must keep references to them, to be able to tell one apart from the other. You will have to do the following when using the first method:

Ok, fixed it now, thank you very much for your help!

You can use an int field in the world class to track which level you are in or you can use different worlds for each level.

Thanks for your help.

Ah, thank you.

What you are saying is: if soldYesterday is greater than soldToday, then salesTrend is assigned negative one else salesTrend is assigned one. If you know how to assign a value to a variable then these would be your 'trueStatement' and 'falseStatement' replacements and 'condition' is replaced with your comparison expression. Hope that helps. If you still cannot get it to work, post the code you have now for more help.

Whether you use a startup world or not, the sound in the main world will have to be initialized in that world. If you initialize the GreenfootSound fields and play each one after setting volumes to zero (to actually load the files) in the world constructor, they will be ready when the scenario is started (remember to reset the volumes back for each sound).

ok, Thanks a lot!

I got this working. Initialized space at the top then added space = (Space) getWorld(); space.countScore(1); to the asteroid class before the object is removed.