This is an Inform 7 project. Open the "Last Day of Summer.inform" directory in the IDE; it will complain about the missing Skein, but you can ignore that. You may need to install the following extensions: Default Messages by Ron Newcomb Neutral Library Messages by Aaron Reed You can download them from: http://inform7.com/write/extensions/ Before releasing, use "Import into Skein..." to import the file walkthrough.rec, then label its final knot with "***". This will be used for "release along with a solution". This program is copyright © Doug Orleans 2011-2012. It is distributed under the terms of the GNU Affero General Public License (AGPL) 3.0. See the file COPYING for details. The code is available from the BitBucket Mercurial repository: http://bitbucket.org/dougo/ifcomp11