Optical Illusions

La spirale des illusions d'optique est un jeu amusant qui peut produire des illusions d'optique

Optical illusions spiral is a fun game which can produce optical illusions. The illusions shall make you see the objects around you deformed in different shapes, depending on the illusion. Your friends and family shall also be amused once they try the app.

*** Disclaimer: Don’t use this app if you are sensible to stroboscopic images. Don’t allow another people using the app if you are not sure about their stroboscopic images sensitiveness. ***

How to use

Select one illusion then get ready and keep your mobile device (phone or tablet) about 25 cm in front of your eyes.Once the spiral visual effect starts its movement a counter shall show on the centre of the screen the time remaining you should keep looking at the screen of your mobile device. 30 seconds is an amount of time which we have tested and works fine on the majority of devices we have used during the test time. During those 30 seconds you can focus on different ways on the screen, any way you focus your eyes on it shall be fine to achieve the goal expected after the counter reaches zero. Once the time is over, then look at some object around you in a middle distance, then you should be able of seeing the optical illusion effects. In case you haven’t achieved seeing the effects, you can answer how was the result of your try in the game, and extra tips shall be given in such a case.

We hope you enjoy the app. Keep in mind our disclaimer about stroboscopic images sensitiveness.

We appreciate any feedback that help us improve the app. Your ideas are welcome. Ratings, reviews and emails are welcome too.