Cognitive ability or intelligence is one of the requirements for graduating or not entering elementary school, so many parents are anxious and force their children to be able to count without considering the learning characteristics of early childhood. This study aims to determine the extent to which students' cognitive development is stimulated by learning using wordwall educational games. The type of research used is classroom action research (CAR) with a qualitative approach. The techniques used in this study are observation, interviews, and documentation. The data analysis technique used was descriptive analysis, namely data presentation, data reduction, and drawing conclusions, then it was compared between cycle I and cycle II, and finally it was found that the increase in the scores achieved by students was found. The results showed that there was an increase in cognitive development from the pre-cycle which had an average of 63% to 86% in cycle 1 and increased to 98% in cycle 2. Thus there was an increase from 63% to 98% so that an increase in cognitive development ability was found by 35%. In addition, wordwall educational games can also increase participant learning motivation