In 2003, after a long alliance with SSG, he split off to form his own game development company Infinite Interactive.

In 2007, Infinite Interactive put Puzzle Quest: Challenge of the Warlords on the market for the DS and PSP.

Infinite Interactive has since ported Puzzle Quest to the Wii, Windows, Xbox 360, PS2, Mac, mobile, and iPhone.

While critics praised the variety of the gameplay, it wasn't as well received as Puzzle Quest: Challenge of the Warlords.

In 2016 as director of Infinity Plus Two, Steve designed and, the company self published another mixed mechanic game called Tiny Quest.