Hanerutchi 1

Release: 2005
Language: Japanese
Battery: cr2032
# of characters: 18 + 3 special
# of games: 3 + 4 playable connecting
Connects with: hanerutchi 1 & 2, keitai, akai, plus, entama, uratama, dekatama, home deka, mobile phone (defunct, passwords still work)
Extra: Based off "Haneru no Tobira", a Japanese comedy show. Uses similar mechanics to the keitai/akai.