Valiant Hearts developer Ubisoft Montpellier has recently released the first and second of its developer diaries discussing the intriguing, upcoming title which is scheduled for release on Xbox 360 and Xbox One at the end of June. The game is said to be a puzzle-platformer with Ubisoft’s trademark graphical style. The action centres around letters read by four main characters who each play a part in searching for the lost love of a German soldier.