Some pros have warmed up prior to an event by playing that course on WGT.

FORBES: How To Beat Tiger Woods

Nelson says WGT gets more than the industry average of 3% of its users paying for these micro-transactions.

FORBES: How To Beat Tiger Woods

The one sport WGT may leave to EA is soccer, as its FIFA game has had success across all platforms.

FORBES: How To Beat Tiger Woods

Moving to WGT was such a huge difference because we could push updates and new ideas directly to consumers as soon as we had them.

FORBES: How To Beat Tiger Woods

Once a course is done and WGT has recouped its costs from the first several thousand players, it makes a healthy marginal profit from each additional player who tees off.

FORBES: How To Beat Tiger Woods

Today their 40-employee San Francisco firm, now called WGT, has the number one online golf game and golf website in the world, with more than 5 million registered users and 2 .5 million unique monthly visitors (more than Golf.com and PGA.com).

FORBES: How To Beat Tiger Woods