Skim the iron — heat is the only thing that scores
Flip to whichever side the iron isn't. Skim it close and you build heat — and heat is the whole multiplier.
Bank enough and you can ignite: burn it all to melt clean through the iron for a few seconds. Ride it, or spend it.
Press space to drop in
Press space to go again
Kept on this device
Space / Tap — flip · Shift / Pad — ignite