A method for increasing the expected return of a game, such as a lottery, comprises selling tokens that have a residual value. The price of the tokens is divided between a prize pool and an investment fund. The game is played and the prizes are awarded from the prize pool. Assets are purchased with the investment fund such that the overall expected return of the game over a given period of time is positive. A commitment is made to provide the cash value of the assets to the owners of the tokens at the end of the period of time.