Singer Huh Gak recently unveiled a mysterious track list for his 1st full-length album 'Little Giant', and fans are trying to decode the puzzle.

A Cube Entertainment shared on their official Twitter, "Hello. Solve the puzzle~ Will you participate? ^-^ Send your answers to [acube2011@hanmail.net]. We will deliver a small gift to the winners," along with an image for the puzzle quiz event.

Fans commented, "How do you solve this. It's so difficult", "Please give us a hint!", "This is definitely Huh Gak's track list", and more.

A Cube Entertainment also revealed, "In a few days, the answer to the corresponding puzzle will be revealed."

Huh Gak's first full-length album 'Little Giant' will be released on February 5th. Huh Gak and 'Superstar K4's Yoo Seung Woo recently released their single "Monodrama", which is ranking high on music charts.