I found a really nice logic puzzle game / IQ Test on the internet today. So, I thought I should share it here since we have a new Logic section on Brilliant already.
Here is a direct link to the game file (it loads on the browser itself and is ~600 Kb). Open the link and the game will open on your browser (assuming you've updated your Adobe Flash player).
Since the game is in Chinese Language, I managed to find an instruction sheet on how to play written in English. Please read it before playing the game. Here are the instructions:
There is indeed a solution to this problem and it isn't a trick (I verified it myself).
Happy gaming and happy puzzle solving. :)