Based upon queuing theory and released after the 1979 energy crisis, the game puts the player in the role of chief executive of Engulf Oil, setting gas prices and worker salaries, monitoring gas station lines, scheduling oil tanker arrivals, and negotiating oil prices with OPEC countries in a race against the clock to maximize profits.

As with most Edu-Ware games, Windfall has an educational aspect, demonstrating the delicate balance in complex systems.

The player has six primary choices in this simulation of oil company operations: Strategy is based upon several simple economic principles.

Windfall, like most games from Edu-Ware's zip-lock bag era, sold only a few hundred units.

[1] Webster commented that "If there is a problem with this game, it is that the topic may not be all that interesting to you, or that the treatment may be too simple for your tastes.