Microsoft Jigsaw as the latest free brain game on Memory-Improvement-Tips.com. This is the official game created by Microsoft Studios and is free-to-play online here. This free Microsoft Jigsaw puzzle game includes over 2,000 jigsaw puzzles for you to solve! Solve these puzzles online in your browser anytime. Puzzles are grouped by category, including Patterns, Locations, Objects, Nature, and more. You can also search for puzzles by keyword, like "rabbit" or "bridges". This is an HTML5 Game. That means you don't need the Adobe Flash Player or any other browser plug-in to play it. The game should work in your browser automatically. Jigsaw puzzles train short-term memory, spatial orientation, and concentration. Play these games often to give your brain a boost. Like all the brain games on my site, this online game is free to play anytime. No logging in, no registering. Just go to the game page and start playing. Click the link below to visit the new game page, and give this game a try.