Pikuniku - Easy The Stubborn achievement - 999 minigame

Effortless way to get 999 at the minigame in Pikuniku and unlock "The Stubborn" achievement. Try to position yourself slightly to the left under the 3rd number of the score, while diagonally bouncing the ball. Once the setup is alright, you can get away from the keyboard/controller and come back after 15min.