LaGaCon is a new developed serious game concept that combines learning a foreign language and streaming series in a collaborative platform. The game system is originated from the field of role-playing games, the focus is solely on speaking. The adventure stories are continuously created by various authors and graphic designers, implemented in the LaGaCon platform - acoustical, visualized and didactical prepared. They are guided by native speakers worldwide in different languages. The most important is the experience for the player: Living through the stories in the foreign language produces a sense of achievement that creates an intrinsic motivation to continue developing their new skills.