◾ Lavactive ◾ > Reach the top mark plot (use Arrow Keys or WAD) > Don't touch the red Lavactive substance > You will be slow down by the yellow glue on the floor > Climb the ladders by pressing up arrow or W > The Highscore is a TIMER (the goal is to have the LOWER time) Good Luck !
Thanks to @AnimationsScratch and @LEGOGAMER666 ( Lava will rise quickly then original version.) :)