Robins Wereld is an online educative game for children with a moderate to severe intellectual disability. The game trains four skills: attention, impulse control, working memory and problem-solving ability. The game offers various play worlds that test the skills of a child and then trains them by giving hints. Aft er playing the game, the child’s strengths and aspects that should be developed are revealed as well as what hints help the child to learn how to learn. The teacher can use this in their lessons to stimulate further development. The aim of the app is to make children more independent step by step and for them to have fun while learning.