BreakTheVault.com offers free online contests
, create an account for free and become a member. Members have unlimited chances to attempt or try to solve each game, the first person who solve the game will win cash or prizes. The difficulty of the games is generally be directly of the amount of cash and the value of the prize, thus the more difficult the game the larger the payouts. You can check out active contests on the site to enter. Every Monday at noon EST, new game will be launched. Check back each day for clues that are released to solve the question.