IQban is a classic puzzle game where players strategically place boxes in designated spots and freeze molecules using ice boxes. The game introduces colored boxes, adding complexity to the tasks as certain colored boxes can only be moved after consuming a vial of the same color. The neutral grey box can be moved at any time, providing a unique gameplay element.

With 100 levels named after prominent figures in history, each level offers its own distinctive challenges and characteristics. Players control the game using cursor arrow keys and hint keys, enhancing the interactive experience.

IQban, developed by Kolčasoft, is a free Windows game that challenges players' logic and problem-solving skills in a captivating puzzle environment.