Ngmoco's Eliminate for the iPhone was a groundbreaking game in two ways. One was its pay-to-score business model, which offered the game for free, but required users to have virtual energy units (which could be bought) to gain rank and equipment bonuses. The second, and more important one, was the back-end server technology that let players hop onto online matches over 3G.
This feature was not so simple to implement, as Ngmoco's director of engineering Stephen Detwiler and lead engineer James Marr mapped out during a talk at Tuesday's Game Developers Conference in San Francisco. As Marr … Read more