IU and Ga In have become characters for one of the top first-person shooter games by Nexon, 'Sudden Attack'.

The characters have been created in the two stars' likeness down to the innocent, sexy charms they've shown through dramas and variety shows and their trademark voices.

Nexon will be giving users who collect 9 special puzzle items in the game the chance to attend IU's mini-concert and Ga In's fan meeting. Other players will receive unique virtual items for their characters.

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Check out the game's official website here.