The Eyeballing Game is a series of geometric tests designed for measuring your ability to estimate the correct angles and centers of each shape or line shown. Move the blue square using the mouse to a position stated by the text at the top of the window, then release the button to find out how much you've missed the right spot from the answer displayed at the bottom of the screen. A green square will appear and point out the correct location after you've made your guess.

There are seven different tests in total, and each challenge has to be done three times over before the final score is calculated and allowed to be submitted online.

Name: The Eyeballing Game
Developer: Matthias Wandel
Category: Puzzle
Type: Browser