Idol groups MONSTA X and Cosmic Girls�are collaborating with legendary singer Kim Gun Mo for the theme song of popular mobile MMORPG 'Great Ocean,'�a remake version of "Whale Hunting" to be released on March 20.

A special behind-the-scenes video was revealed of the stars filming for the game commercial where numerous staff members took part.

Cosmic Girls also sat down for an exclusive interview talking about the addictive gameplay and filming scenery. �"It felt like I was actually taking control of the ship plowing through the raging seas. �We believe it's a challenging game both men and women would equally enjoy."

Reminiscent of 'Battleship', 'Great Ocean' ('Taeyang') is a mobile MMORPG strategy-based game available now for both android and iOS platforms.

Take a sneak peek at the lively atmosphere featuring the three artists working together to bring an imaginative world to life.

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Tip: desikyu