Practice the Capgemini Grid Challenge online. Memorise blinking dot positions, judge mirror symmetry between two grids, then recall the dots in order. Dual-task memory training.
Grid Challenge is a comprehensive, browser-based cognitive exercise: memorise blinking dots, answer a symmetry question, then recall the order. It trains spatial memory, attention switching, symmetry detection, and mirrors the format used in real placement assessments, so the pacing you practise against is the pacing you will face.
A session runs about 3-5 min. Nothing to download or install — it runs in the browser on desktop and mobile, with unlimited practice for Pro members.
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