From: 
Half-Life: Death Is Dead
// Valve Game Info file
// These are key/value pairs. Certain mods will use different settings.
//
game "Death Is Dead"
icon "game"
gamedir "did"
fallback_dir "did"
gamedll "dlls/spirit.dll"
secure "0"
svonly "0"
cldll "1"
type "singleplayer_only"
startmap "dd0"
trainmap "empty"
mpentity "info_player_deathmatch"
version "1.0"
size "44779373"
nomodels "1"
hlversion "1111"