Sorry for the double-post, but I wanted to add something.
I don’t know if it may help you, but this time I tried something different.
I deleted all the blocks and I created a landscape using the “Landscape” tool, I didn’t change anything on the landscape:
https://www…com/watch?v=-CzgQMRA5Ns
As we can see the ball is still jumping, so the problem is maybe the ball, here are the details of the ball:
As I said on the previous comment, the ball uses a “Sphere Simplified Collision”.
Best regards,
.
edit : I didn’t saw your previous comment Visnarel , I’ll try it, thanks 