bridges.map        842 25-05-96 Lesson 9 : Making bridges (MAP file)
bridges.txt       2203 25-05-96 Lesson 9 : Making bridges
door9.map         3730 15-05-96 Lesson 4 : Star Trek doors (MAP file)
door9.txt         1659 15-05-96 Lesson 4 : Star Trek doors
door20.map        3198 15-05-96 Lesson 2 : Making doors that move up (MAP file)
door20.txt        2561 16-05-96 Lesson 2 : Making doors that move up
door23.map        2698 15-05-96 Lesson 3 : Making swinging doors (MAP file)
door23.txt        2330 22-06-96 Lesson 3 : Making swinging doors
door26.map        3922 15-05-96 Lesson 5 : Split Star Trek doors (MAP file)
door26.txt        1606 15-05-96 Lesson 5 : Split Star Trek doors
dukeqna.txt       5496 22-07-96 Build Questions and Answers
duketips.txt      3193 22-07-96 Tips on Designing Duke levels
lights.map         838  2-06-96 Lesson 11 : Making light switches (MAP file)
lights.txt        1607  2-06-96 Lesson 11 : Making light switches
mirror.map        3758 16-05-96 Lesson 6 : Making mirrors (MAP file)
mirror.txt        1704 16-05-96 Lesson 6 : Making mirrors
skywin.map        3466  1-06-96 Lesson 10 : Making sky windows (MAP file)
skywin.txt        3710  1-06-96 Lesson 10 : Making sky windows
teleport.map      1042 18-05-96 Lesson 8 : Making teleporters (MAP file)
teleport.txt      1620 18-05-96 Lesson 8 : Making teleporters
water.map          746 18-05-96 Lesson 7 : Making water (MAP file)
water.txt         3012 18-05-96 Lesson 7 : Making water
windows.map       2274 14-05-96 Lesson 1 : Making glass windows (MAP file)
windows.txt       1259 14-05-96 Lesson 1 : Making glass window
