While Steam users were already exploring 2.11, early December 2017 was a period of anticipation for mobile players. The update rolled out to Android and iOS in mid-to-late November, but the —a highly anticipated set of levels—was still being balanced and released for various platforms during this window. Looking Back: The Start of the "Great Wait"

One image showcased three colored keys and "demon eyes," which players quickly realized were linked to the Basement —a secret area in the game’s Vault system where players interact with the Keymaster. Impact on the Mobile Community

A new tier of moderators with the power to help manage the growing influx of user-generated levels.

On December 5, 2017 (and in the days surrounding it), the community was buzzing with the discovery of new images on the official Boomlings website. RobTop posted several teaser files, including "thing4," "thing5," and "thing6".

By December 2017, the Geometry Dash community was adjusting to version , which was a significant "minor" update. While players were originally expecting simple bug fixes, developer RobTop delivered a suite of features that stabilized the game for what would eventually become a six-year wait for version 2.2. Key features active during this time included:

In December 2017, no one knew that version 2.11 would be the final major update for nearly seven years. This period represented the peak of the "Early 2.1" era, characterized by the rise of iconic extreme demons like Yatagarasu and Sonic Wave . The refinements made in late 2017 provided the technical foundation that allowed the community to thrive through years of development silence until the release of Update 2.2 in 2023.

This feature was in its prime, providing a rotating "Demon" level every week that awarded players a chest upon completion.