 Specular Interactive was made up of several ex-Midway employees who had worked on Hydro Thunder and this led to H2Overdrive maintaining many of the ideas that Hydro Thunder had in place while adding in some new elements such as achievements, a leveling up system and improved physics.It also received high praise from critics.The original version of H2Overdrive came in a cabinet sporting a 42" LCD HD monitor and in March 2010 they produced a 32" version for smaller venues.