Invasion is an adventure and action game which takes place in a non-fantastic medieval world, where a young caporal is going to fight to take back his kingdom. To achieve this goal, the main character will have to use his communications skills, by adapting his clothes and attitude in function of the persons he will meet. Using this ability, he will gain trust of people and organize an army to fight back the oppressor.

Invasion features varied gameplay to ensure a great experience for the player, where he will fight entire armies of medieval age knights.