If you collect 25-29 ?s through the run (avoiding the timer numbers that don't count and give temporary invincibility), AND the final one you grab is when timer shows a non-discounting 1/0 end digit, you get a flamethrower v Mimi.

Mod note: self-verified after board ownership change, other runners please feel free to watch/authenticate. See forum. petaQ 30/3/24