Their stated goals for the festival are to nurture the Hong Kong arts, music and film scene[1] and "put the city on Asia's contemporary media-arts circuit".

[5] Clockenflap 2021 was cancelled due to restrictions on international travel, tightened rules and regulations on outdoor events, and a requirement for a seated audience with no food or drink consumption on site.

2013's festival extended to a 3-day event and grew to over 30,000 people attending with 7 music stages with new additions of a Cabaret Tent and an Arts Village.

Held once more on the West Kowloon Waterfront Promenade, the festival site expanded to allow for six performance stages, a dedicated children's entertainment area.

Unlike previous (and preceding) years, it was completely free to the public when late stage venue restrictions prevented the sale of tickets.