Retro Hero Mr Kim is a 2D side-scrolling idle game that offers an exciting adventure with Bong-sik KIM, a jobless middle-aged man who accidentally becomes a hero. Developed by mafgames, this game has garnered over 3 million downloads and 70,000 reviews on Google Play Korea.

The game offers a unique storyline based on comics, which makes it stand out from other idle games. The game is easy to play, and anyone can enjoy it. It features charming and sweet characters, over 200 awesome costumes, and fun dad jokes that keep the players entertained. The game also offers exciting events and updates, making it a very addictive idle game.

Players can auto-farm gold and stuff for limitless power-up, gather pets and costumes for massive attack bonuses, and follow special missions to progress easily and receive rewards. The game is available on Android and is free to play. However, changing the device or deleting the game will wipe all data, so players need to save their progress.