haha, you are probably talking about super3.
It never got finished. There was just a demo
Thats funny, to me it seems more restrictive than a traditional dash, cause with that you can land on different spots depending on when you start dashing. Here you can only stop against solid objects. Still, that doesn't mean its not worth pursuing, on the contrary. Almost all platformers have a dash nowadays, but something extreme like this? there is room to expand the concept for sure