It seems that you're using an outdated browser. Some things may not work as they should (or don't work at all).
We suggest you upgrade newer and better browser like: Chrome, Firefox, Internet Explorer or Opera

The space quest series by Sierra is by far my favourite of the Sierra adventure series. It's got puzzles, humour, easter eggs ... and more humour :D
Buy this! Chances are by the time the entire Sierra library is availalble on GOG, ScummVM will support them all too ;)