What is .DSG file extension?
Save file created and used by Chocolate Doom, a fan-made version of the Windows 95 Doom; contains saved game progress, which includes the game version, game skill, episode of the game, current level, time since the level began, amount of possessed armor, armor type, attained powers and weapons, whether the player is alive, dead, or respawning, and other game information.
NOTE: There are six slots available for saved games and each slot uses a DSG file that is numbered from 0 to 5. The file is named doomsave[slot number].dsg.
You can see a list of software programs here on easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.