From: 
Half-Life: Dungeon Death
// Valve Game Info file
// These are key/value pairs. Certain mods will use different settings.
//
game "Dungeon Death"
gamedir "dt_dungeon"
startmap "dt_1"
trainingmap "dt_1"
mpentity "info_player_deathmatch"
gamedll "dlls\hl.dll"
gamedll_linux "dlls/hl_i386.so"
url_info http://darktreemedia.com
type "Single"
version "3.0"
size "38239888"