I'ma give tips for all levels.
lvl1:keep dashing
lvl2:do the turn while dashing for a lot of speed.
lvl3: dash in-between thw saws
lvl4:keep dashing.
lvl5: at the halfway do a left turn and keep dashing. also stay in the middle
lvl6:do not dash at the end or you wont have enough distance to make the gap
lvl7:dash in between gaps to be fast, also turn at the same time to not get hit by a saw.
lvl8:you need to dash twice and turn quickly before dashing again for a quick time(this lvl may kill your run.)
lvl9:dash at he corner and don't dash early(this lvl is a run killer )
lvl10:when the first saw hits the top start the lvl and keep dashing.
lvl11:if you can turn good your fine.
lvl12dash in between gaps, don't run into the wall to many times.
lvl13:THIS LVL IS A RUN KILLER, dash halfway on the platforms to stay safe and memorize where they are.
lvl14:THIS IS A RUN KILLER, try to stay safe and dash to the other side as fast as possible.
lvl15:before you go to a dead stop dash to the next place
lvl16:dash right,left then right, before dashing as many times and doing it again.
lvl17:do a 360 while dash and go right.
lvl18: very simple but hard ,no tips for this lvl just get good