Sager is a particular concept of a game that engages by creating a meaningful play also motivates people for out of the game learning. The game is a historical quiz where players try to complete game missions and extend their historical awareness. As per plot, a player is a member of the Resistance who has been sent into the past in order to explore and discover the history. The game is multiplayer in which one may compete against other players by collecting badges and earning points in a form of a game that passes him through levels discovering increasingly new historical teasers and put his knowledge to the test.

Sager is an augmented reality-based game for smartphones which brings the digital world and reality closer to each other with the help of historical teasers. The purpose of the game is to encourage users learn about history and to go outside and explore the world around.