Daily Challenge Vault is an update that was released Daily_Challenge_Vault.png|Message for when the vault was first added. January_2012_Challenger.jpg|January 2012 Challenges Archived Feb_2012_Challenger.png|February 2012 Challenges Archived Daily ChallengeJan-27-2012.png|The first every Daily Challenge complete in the vault. for Bloons TD 5 on the 2nd of May, 2012. It allows you to replay previously incomplete Daily Challenges for a lower reward (40%) or previously completed for 16% (40% of 40%) reward. If you play challenges from the vault, you will play them mostly with rules of the actual patch (For example: If you play a challenge from Feb 7, 2012, you can use towers and agents like Spike Factory or Bloonsday Device that were released after the date of the challenge) with a few excep