BuildEngineArg("DIR", "-j", False),  # Adds directory to search list
# The main game file to load: EDuke32 and Raze can load .grp, .zip, .ssi, .pk3, .pk4; Raze can also load .7z
BuildEngineArg("FILE", "-gamegrp", True),
# Add extra game file to load; this overrides files in virtual filesystem
BuildEngineArg("FILE+", "-g", False),
# Replace the main GAME.CON script module; surprisingly this can be a CON, DEF, or INI!
BuildEngineArg("CON", "-x", True),
BuildEngineArg("CON+", "-mx", False),  # Append CON after GAME.CON script module
BuildEngineArg("DEF", "-h", True),  # Replace the main DEF module
BuildEngineArg("DEF+", "-mh", False),  # Append DEF after main DEF module
BuildEngineArg("MAP", "-map", True),  # Start specified MAP on launch