Click each colored square exactly once. After every click the grid reshuffles — you must track which colors you have already chosen. Based on Petrides & Milner (1982), this tests strategic self-monitoring and frontal working memory.
Very Easy
4 colors, 4 rounds
Easy
5 colors, 5 rounds
Medium
6 colors, 6 rounds
Hard
7 colors, 7 rounds
Expert
8 colors, 8 rounds
Scientific Background
Based on: Self-Ordered Pointing Task (Petrides & Milner, 1982) (Petrides et al., 1982)