Click the watermelon and you get watermelon. Watermelons gained per click (based on current watermelon count): 0-100 watermelons: 1 watermelon per click. 100-200 watermelons: 2 watermelons per click. 200-500 watermelons: 5 watermelons per click. 500-1000 watermelons: 10 watermelons per click. 1000-10000 watermelons: 20 watermelons per click. 10000-50000 watermelons: 50 watermelons per click. 50000-100000 watermelons: 100 watermelons per click. 100000-1000000 watermelons: 2500 watermelons per click. 1000000+ watermelons: 100000000 watermelons per click.