"新ぼくのボッタクリBAR韓国篇復讐ゲーム" is a free game developed by Ryo Yamamoto for the iPhone. In this game, players take on the role of Park Celery, a man who secretly opens a bar in South Korea. Born as the "illegitimate son" of a chaebol chairman, Park Celery and his mother are kicked out of the chaebol. He experiences relentless harassment from his half-brother, Park Insam, and eventually witnesses the murder of his mother. Determined to seek revenge, Park Celery vows to rise from poverty and take down Park Insam.

The game features five areas and 47 stages set in South Korea, ranging from the poor district to the wealthy areas. Players must conquer all the areas and achieve a social hierarchy reversal. Additionally, the new "cosmetic surgery" feature allows players to enhance the beauty of female characters. With six doctors available, players can undergo surgery by presenting them with black jewels. Only girls of A, B, and C ranks are eligible for the procedure.

To play the game, players must source alcohol and food, attract customers through promoters, serve drinks to customers using hostesses, intimidate others with bouncers, and be cautious of the police. However, it is important to note that excessive cheating is discouraged.

"新ぼくのボッタクリBAR韓国篇復讐ゲーム" offers an engaging gameplay experience set in South Korea's bar scene, where players can immerse themselves in the story of Park Celery's revenge.