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So yellow's are collision items and those square thingy's are objects 
Does that image remind thumb up? 
Edit:
Here is text file by macska8800 (also known Nitroeus)
This text file contains some properties when editing level. I'm not sure have you found something already what contains inside this .txt file 
Edit2:
I accidently sent wrong version. Fixed. |
Correct
Not sure what you mean by "Does that image remind thumb up?" ?
Also I think I do already have the property names for those bytes. I can provide a list of incomplete ones if you're working on figuring them out
?