Go to the grey line to go to the next level. All levels are possible, I tested them myself. You can wall-jump. Jump onto the crystal to collect it. Scroll down for hints -HINTS- On level 4, after you jump using the trampoline, DONT TRY TO CROSS THE SPIKES. Land and THEN jump.
Made using tomaykoh's platformer engine. Character design by @tomaykoh Trampoline code by Trampoline Code + Engine by coderKe If you scrolled this far, good job! :) When you see this message, comment Words: A Platformer