He met programmer Terry Schulenburg from ICOM Simulations after they had released their first MacVenture game: Déjà Vu: A Nightmare Comes True in 1985.
[7] Adventure games that Dave and Karl were involved in, such as Beyond Shadowgate (NES) and The Awakening, were cancelled[10] and ICOM secured a contract with NEC to develop for the TurboGrafx-16.
On July 5, 1991, Tod Zipnick, the founder and principal shareholder of ICOM Simulations, died of Hodgkin's Disease at the age of 35.
ICOM Simulations was then renamed to Viacom New Media and changed the focus of the games Dave and the company would develop for the next four years.
[11][13] After ICOM Simulations became Viacom New Media, Dave began working on producing games based on licensed properties, primarily those of MTV and Nickelodeon.
[11][13] One of Viacom New Media's former employees was Eugene Evans, formerly of Mythic Entertainment, who had founded his own company called Infinite Ventures.
In January 2012, Dave Marsh approached Karla with an interest to secure the rights to the ICOM Simulations library of games.
On March 7, 2012, Dave founded Zojoi, LLC with fellow ICOM Simulations and Infinite Ventures veteran, Karl Roelofs.
[16] On the Zojoi company website, they state their mission as follows: Our goal is to bring both exciting versions of classic titles (many of which defined entire genres) and new games to PC's, Macs and tablets!On March 16, 2012, Zojoi launched a Kickstarter crowd funding campaign to help fund the development of a remastered version of the original nine Sherlock Holmes: Consulting Detective mysteries.