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With over 7,500 brain teasers, riddles, logic problems and mind puzzles submitted and ranked by users like you, Braingle has the largest collection anywhere on the internet. Our large array of unique online multiplayer games will keep you entertained for hours. If you crave a brain teaser, mind puzzle, riddle or game, we are the place to get it. Increase your creativity, boost learning and become a better person at Braingle. Get ready to have your brain tangled!
Daily Brain Teaser
You are an expert on paranormal activity and have been hired to locate a spirit haunting an old resort hotel. Strong signs indicate that the spirit lies behind one of four doors. The inscriptions on each door read as follows:
Door A: It's behind B or C
Door B: It's behind A or D
Door C: It's in here
Door D: It's not in here
Your psychic powers have told you three of the inscriptions are false, and one is true. Behind which door will you find the spirit?
Braingle has tons of brain teasers, puzzles and free online games. It also has a large vibrant community of smart people who contribute to the site in many ways. Some of the coolest features are only available to registered users and its free to sign up, so why not give it a try?
As a registered user you can submit riddles, rate puzzles, keep track of brain teasers and play some of our exclusive games. Best of all, you'll be part of a really great community of brain teaser enthusiasts!