Giftsplosion 2015

Giftsplosion 2015 was the Christmas gift giving event of 2015. Over the course of 11 days, the Roblox administrators released 15 gift boxes into the avatar shop. Gifts were rewarded to those who met the requirements hidden within the riddles provided. Once the obtaining period ended, the gift box was put on sale with a timer for a set amount of Robux based around the difficulty of the requirement. After the gift box went off sale, it opened and granted the owners a new item in their inventory.

More information about this year's Giftsplosion can be found in this blog post.

Trivia

 * The task in The Normal Elevator was nerfed on December 9, 2015.
 * Floor is 10 seconds longer.
 * Guaranteed to appear as one of the first four floors on new servers.