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It worked, thanks!

Go to About tab above. Read the first sentence.

Add a second condition to lines 37, 40 and 43 that requires the specific type of world (DemoWorld, Maze1 and Maze2).

Thanks for the answer! It works now. I propably forgot to change the variable because i remove the object in all cases.

If the size of the world is 1300×900 and you don’t allow objects to be outside the visible part of the world, then the object is inside the rectangle defined by the following four points: (0|0), (1299|0) (0|899), (1299|899) It will never be at x=1300. And even if it could be there exactly at (1300|450), it might not be very much fun to find this exact cell to move forward.

Do you have the following line at the top (around line 1) <Code Omitted>

I presumed you knew that, but just overlooked it. I only stated that for Roshan123's benefit.

Line 3: getOneIntersectingObject returns an object (or 'null') typed as an Actor object. The compiler will not assume it is a Figur object and "blindly" place the object in a variable that is to specifically reference a Figur object. You must tell the compiler that it, if it does exist, will indeed be of type Figur before it will place the reference in the variable. Hence the line Super_Hippo suggested.

If you are to "capture" that somebody types a phrase (not just a single key or key-combination), you will have to collect each keystroke individually (over time). This will require a String field and extensive code to build the string (or control the field's value) as the keys are being entered. As an alternative, you could use: <Code Omitted>

The value of the score field in the Score class will first need to be made accessible to other classes. Either make the score field public or add a public getter method that returns it's value.

Try to remove unnecessary imports (classes GameOverScreen and Bar). Not sure if this will fix it, but it’s worth a try.

You need to end the act method with } before starting the next method. You also need to end your if-blocks like that.