15 Days is a full version adventure game developed by House of Tales for Windows. The game's plot revolves around a three-man activist group that steals famous pieces of art from renowned museums and sells them to private collectors to donate the money to charity. The group is hunted by police forces but manages to stage successful coups until a mysterious new client appears, and they find themselves in the middle of a political conspiracy.

This mystery conspiracy adventure game features unexpected story twists with a current and believable game world. The contemporary visual language, pointed script, and fast-paced dynamic narration make the game more interesting. The game allows realistic interaction with the environment using interesting technical gadgets. The game has four different playable characters on both sides, police and activists. The game's moderate difficulty makes it accessible to all players.