What did I do wrong?

The block behind Mario is the "edge", it only work if you are above the tile.
Can someone say the tile behaviour I need to put in the slope?
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CSMB is cancelled. Instead, I'll be doing a mini hack soon.

You would know the behaviors for the 4x1 Slopes, if you just have looked into the tile behavior list.
http://prntscr.com/nqfbb

You will have to figure out how to give objects a tile behavior yourself.

So I have to use that first behaviour under EVERY slope. That's what I've misunderstood. Thanks,  Freeze!!
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CSMB is cancelled. Instead, I'll be doing a mini hack soon.