The field of the invention relates to systems and methods for facilitating investments through interactive online gaming. In one embodiment, an interactive electronic gaming system includes a game server for hosting a Web application game, accessible over a data network. One or more client communication devices are configured to access the game server. An index fund server is accessible over said data network for maintaining electronic investment portfolios. The game server is configured to intercept any electronic payment transactions over a payment gateway server through the Web application game from one or more client devices and redirect the intercepted transaction to the index fund server.