Some games (like Closure) have their shortcuts in /usr/local/share/applications. Please add that directory to the "add a non-Steam game to my library" search path.
/usr/local/share/applications
should be fixed in the just-released beta https://steamcommunity.com/groups/SteamClientBeta#announcements/detail/1447198999525237825
Nothing extracted yet.
Some games (like Closure) have their shortcuts in
/usr/local/share/applications.Please add that directory to the "add a non-Steam game to my library" search path.