Created by David Baszucki and Erik Cassel in 2004 and introduced in 2006, the system hosts user-produced video games of several genres coded in the programming language Lua. Baszucki begun testing the to start with demos that 12 months. The beta version of Roblox was designed by co-founders David Baszucki and Erik Cassel in 2004 beneath the identify DynaBlocks.