Open fire simulation device with: a projection device and a projection screen (30, 31, 32), wherein: the projection device is configured to produce an image of a flame or a part of a flame and to project it as optical depiction on the projection screen (30, 31, 32), the projection device has an image production device (23, 23-1, 23-2, 23-3, 23-4) with a projection mask bearing or producing the image of a flame or part of a flame and has an illumination device, with which the depiction can be produced by illuminating the projection mask, the projection device has at least one individual projector (20-1, 20- 2, 20-3, 20-4), each with an image production device (23, 23-1, 23-2, 23-3, 23 4) and each with an illumination device for illuminating the image of the image production device (23, 23-1, 23-2, 23-3, 23-4). each individual projector (20-1, 20-2, 20-3, 20-4) respectively has a condenser optic (22, 22') between the illumination device and the image production device (23, 23-1, 23-2, 23-3, 23-4) as well as a projection optic (24, 24) between the image production device (23, 23-1, 23-2, 23-3, 23-4) and the projection screen (30, 31, 32), the image production device is implemented as transparency bearing the depiction of a flame, producing the depiction in transmission, and a control device (27-1, 27-2, 27-3, 27-4) is provided, by means of which the spatial and/or time-based illumination characteristics and the image production characteristics of the individual projectors (20-1, 20-2, 20-3, 20-4) can be controlled, in order to produce the moving depiction of the flame on the projection screen. a projection device and a projection screen (30, 31, 32), wherein: the projection device is configured to produce an image of a flame or a part of a flame and to project it as optical depiction on the projection screen (30, 31, 32), the projection device has an image production device (23, 23-1, 23-2, 23-3, 23-4) with a projection mask bearing or producing the image of a flame or part of a flame and has an illumination device, with which the depiction can be produced by illuminating the projection mask, the projection device has at least one individual projector (20-1, 20- 2, 20-3, 20-4), each with an image production device (23, 23-1, 23-2, 23-3, 23 4) and each with an illumination device for illuminating the image of the image production device (23, 23-1, 23-2, 23-3, 23-4). each individual projector (20-1, 20-2, 20-3, 20-4) respectively has a condenser optic (22, 22') between the illumination device and the image production device (23, 23-1, 23-2, 23-3, 23-4) as well as a projection optic (24, 24) between the image production device (23, 23-1, 23-2, 23-3, 23-4) and the projection screen (30, 31, 32), the image production device is implemented as transparency bearing the depiction of a flame, producing the depiction in transmission, and a control device (27-1, 27-2, 27-3, 27-4) is provided, by means of which the spatial and/or time-based illumination characteristics and the image production characteristics of the individual projectors (20-1, 20-2, 20-3, 20-4) can be controlled, in order to produce the moving depiction of the flame on the projection screen.