Jeff Tunnell Productions

Jeff Tunnell Productions is a one-man casual/children's game developer founded by Jeff Tunnell in 1992. He was most notably the developer of the The Incredible Machine series. The last titles 3-D Ultra Pinball and The Incredible Machine 3.0 were released in 1995 before Dynamix took over later that year. Jeff Tunnell was also the founder of Dynamix at the time.