Kalaban is an adventure shooter with horror elements and a top-down view about an emigrant from the United States who lives as a hermit in Finland. The game takes place in an alternative Finland in the nineties. The main character of the game is an emigrant from the USA named Bob, who moved to the Finnish coast several years ago. Suddenly, a strange monster attacks his hut, after which Bob decides to figure out what is happening in the world. Now he will have to communicate with other people and kill the monsters attacking the city.