北海道連鎖殺人オホーツクに消ゆ ～追憶の流氷・涙のニポポ人形～

■The plot
A Nipopo doll sheds a tear—another soul is sheds its mortal coil.
One morning, a man's body is found floating in the Tokyo bay.
He's estimated to be in his forties.
But the incident doesn't stop here. It moves to Hokkaido's cities: Kushiro, Abashiri, Shiretoko, Monbetsu...
A second and third murder link the northern island to Tokyo.

■The gameplay
The Okhotsk Disappearance is a graphic adventure game where you play as a police detective.
Your job is to find the truth behind the serial murders with the help of your subordinates.
To do so, you have a command interface with 14 actions, such as "Change Location" and "Ask someone".