The game “Witness J.” is part of the transmedia project “The Congo Tribunal” which investigates the background of the biggest and bloodiest economic war in history. We are thrown into a massacre in the village of Mutarule. Shot and delirious, we are trying to find a safe place … In addition to this browser game, a room scale VR experience lets us undergo even more intensely the reality lived by the victims of the Congo war. An additional comprehensive online archive, consisting of the complete filmed material for “The Congo Tribunal”, enables us to browse and edit the footage individually.