KunKun & KokoKun 2 - Return of the Kun
Platform: Sega Master System
Region: No Region
Media: Rom File
Controller: Master System Controller
Genre: Maze 
Gametype: Homebrew
Release Year: 2011
Developer: Bock
Publisher: Bock
Players: 1
Hacked by: Bock
Version: 0.99
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This is a competition entry in 2006. Found at SMSPOWER site.