No revenue estimate for GOG — its rating/review counts don't calibrate to sales the way Steam's do. The Steam version is estimated at $6.3K — a different platform, not this one.

Tornado

Includes Tornado: Operation Desert Storm The Tornado aircraft is an unmatched combination of speed and lethal fire power. Now, Digital Integration is proud to present TORNADO - unsurpassed by any flight simulator to date. Options range from ground-based simulator training to multi-aircraft multi-mission campaigns involving a vast array of aircraft and ground vehicles. With design input from RAF aircrew and British Aerospace, TORNADO is unequalled in authenticity. DI's expertise gives you a richly detailed landscape and depth of gameplay. The choice is yours - go it alone or take the squadron and discover what real Tornado pilots mean by a "target rich environment"... Features of TORNADO - Simulator training, combat & multi-mission campaigns - 2 seat cockpit - pilot and navigator/weapons officer - GP bombs, cluster bombs, JP2333, ALARM, air-to-air missiles and more! - Multi-aircraft coordinated attacks - Laser designated bombs with pin-point accuracy - Authentic handling and avionics - Sophisticated mission planning system - Rolling landscapes with extensive natural and man-made features - Night flying and low visibility options - Autopilot includes terrain following and nav/attack systems - 2 player option for head-to-head dogfight