TobyD Posted October 28, 2008 Report Share Posted October 28, 2008 I know there are a few Portal fans among us. I found a great free add-on this weekend. You can download it here (requires the full version of Portal). It is 19 new levels that are quite a bit trickier than the original, but not so complicated that they ruin the fun. The add-on was not done by Valve, but it is very professionally done. The storyline takes place before the original and leads up to the creation of GLaDOS. -Toby Quote Link to comment
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