Joe must unlock that door. Level 13 – Brain Test 2: Tricky Stories (Smith and Joe vs. Professor Bigbrain) – In this wonderful part of the puzzle game, we will need to help Agent Smith and Joe defeat the Professor. Look for a non-standard solution of levels. Using your ingenuity and resourcefulness, you will be able to complete each of the puzzles. This new adventure will not leave you indifferent. With each level, the puzzles will become more and more difficult. After completing all the levels, find out who will win Agent Smith and Joe or the Professor? Try to solve all the levels yourself. But if it doesn’t work out, then you will find the answer in the photo below. The answer is also under the photo. Good luck in the new part of the game Brian Test 2!