Korsakovia is a single-player mod for Valve's video game Half-Life 2. It was developed by The Chinese Room. Korsakovia was released as freeware download on 20 September 2009.
This is a vertical scrolling shooting game, with many unique selectable characters, and a data progression system.
There are a total of 8 stages, but only 4 stages will be played in one game. There is a course determination feature which players are able to influence.
This game can be played on Wonder Swan flash cart or PC.