You start as a barely-audible whisper on the shortwave band: 1 microwatt of effective radiated power. Every correct answer boosts your transmitter. Answer them all and you reach 10 megawatts, the raw power of the Duga 'Woodpecker' radar that tapped across the whole world.
Wrong answer? You fall back to the last station you passed on the ladder. Three 50:50 jokers and two skips sit on the operator's desk.