Einstein puzzle is a free cross-platform open source remake of old DOS game Sherlock which was inspired by Albert Einstein's puzzle. Einstein said that only those with an intelligence quotient of 98 percentile and higher should be able to solve it. The game goal is to open all cards in square of 6x6 cards. For this, a number of hints describing relations between card positions are given. Use them to find the correct layout. Einstein 2.0 features sound support, full internalization, Russian localization, reengineered resource subsystem to allow custom graphics themes and in-game rules browser. Previously, the project was located on http://games.flowix.com/en/index.html Now this resource available only through http://web.archive.org