ScummVM is free software that is released under the terms of the GNU General Public License. It was originally written by Ludvig Strigeus. Originally designed to play LucasArts adventure games that use the SCUMM system, it also supports a variety of non-SCUMM games by companies like Revolution Software and Adventure Soft. Script Creation Utility for Maniac Mansion Virtual Machine ( ScummVM) is a set of game engine recreations.