Liblist.gam

game			"..."
icon			"..."
developer		"..."
developer_url		"..."
manual			"..."
gamedll			"..."
gamedll_linux		"..."
secure			"<boolean>"
svonly			"<boolean>"
cldll			"<boolean>"
type			"..."
startmap		"<map>"
trainmap		"<map>"
mpentity		"<ent>"
fallback_dir		"..."
fallback_maps		"..."
nomodels		"<boolean>"
nohimodels		"<boolean>"
detailed_textures	"<boolean>"

game

The string specified under game appears as the title for the window when the mod is running; it is also used in My Games List.

gamedll

This keyvalue refers to a dll file relative to the mod's root folder. Path separators should be \.

gamedll_linux

This keyvalue refers to an so file relative to the mod's root folder. Path separators should be /.

type

This keyvalue is either singleplayer_only, multiplayer_only, or omitted.

fallback_dir

This keyvalue specifies a mod directory (i.e. cstrike, NS, etc...) for the filesystem to mount.

fallback_maps

Todo: Find out how this one works...