Guide a bouncing ball down a glowing tower in the void. Drag to spin the tower and line up the gaps. Every ring you fall through scores more than the last, and drop three in a row to become a fireball that smashes straight through anything, even the lava. Touch a molten segment any other time and the run is over. Towers grow taller and trickier as you climb the levels: narrower gaps, more lava, and rings that spin on their own. One finger, one more try, endless levels.
Drop, smash, don't touch the lava.