Steam (May 2014) (OS X 10.9)
Account
Security Status: Protected by Steam Guard
Friends
[x] Automatically sign into Friends when I start Steam
[x] Display timestamps in chat log
[ ] Always open a new chat window rather than a tab
When any Friend joins a game
[x] Display a notification
[x] Play a sound
When any Friend comes online
[x] Display a notification
[x] Play a sound
When I receive a message
[x] Display a notification
[x] Play a sound
Flash window when I receive a message
(*) Always
In-Game
[x] Enable the Steam Overlay while in-game
Screenshot shortcut keys: F5 (F12 is for volume up on a Mac keyboard)
When a screenshot is taken
[x] Display a notification
[x] Play a sound
Interface
[x] Display Steam URL address bar when available
[ ] Notify me about additions or changes to my games, new releases, and upcoming releases. (unnecessary, I just want to start playing)
Cloud
[x] Enable Steam Cloud synchronization for applications which support it
[x] Open the screenshot uploader after closing game if screenshots were taken
Last modified: July 9th, 2014
http://sites.google.com/site/maxlimitz/game-service-settings
See also: Game Settings, Console Settings, Display Settings, Browser Settings.