Download Puzzle Files

Click on the links below to access the five Shredder Challenge problems.

Files contained in the Puzzle1.zip:Readme.txt;Puzzle1_(1 of 1)_400dpi.tif - Image containing the pieces of chad for Puzzle 1.;Puzzle1.txt - Text file with mandatory and additional questions.
Estimated* download time: 3 minutes
Files contained in the Puzzle2.zip: Readme.txt. Puzzle2_(1 of 3)_400dpi.tif - Image containing the pieces of chad for Puzzle 2. Puzzle2_(2 of 3)_400dpi.tif - Image containing the pieces of chad for Puzzle 2. Puzzle2_(3 of 3)_400dpi.tif - Image containing the pieces of chad for Puzzle 2. Puzzle2.txt - Text file with mandatory and additional questions.
Estimated* download time: 7 minutes
Files contained in the Puzzle3.zip: Readme.txt. Puzzle3_(1 of 3)_400dpi030.tif - Image containing the pieces of chad for Puzzle 3. Puzzle3_(2 of 3)_400dpi031.tif - Image containing the pieces of chad for Puzzle 3. Puzzle3_(3 of 3)_400dpi064.tif - Image containing the pieces of chad for Puzzle 3. Puzzle3.txt - Text file with mandatory and additional questions.
Estimated* download time: 8 minutes
Files contained in the Puzzle4.zip:Readme.txt. Puzzle4_(1 of 7)_400dpi033.tif - Image containing the pieces of chad for Puzzle 4.Puzzle4_(2 of 7)_400dpi034.tif - Image containing the pieces of chad for Puzzle 4.;Puzzle4_(3 of 7)_400dpi035.tif - Image containing the pieces of chad for Puzzle 4.;Puzzle4_(4 of 7)_400dpi065.tif - Image containing the pieces of chad for Puzzle 4.;Puzzle4_(5 of 7)_400dpi037.tif - Image containing the pieces of chad for Puzzle 4.;Puzzle4_(6 of 7)_400dpi038.tif - Image containing the pieces of chad for Puzzle 4.;Puzzle4_(7 of 7)_400dpi039.tif - Image containing the pieces of chad for Puzzle 4.;Puzzle4.txt - Text file with mandatory and additional questions.
Estimated* download time: 13 minutes
Files contained in the Puzzle5.zip: Readme.txt . Puzzle5_(1 of 20)_400dpi.tif - Image containing the pieces of chad for Puzzle 5. Puzzle5_(2 of 20)_400dpi.tif - Image containing the pieces of chad for Puzzle 5. Puzzle5_(3 of 20)_400dpi.tif - Image containing the pieces of chad for Puzzle 5. Puzzle5_(4 of 20)_400dpi.tif - Image containing the pieces of chad for Puzzle 5. Puzzle5_(5 of 20)_400dpi.tif - Image containing the pieces of chad for Puzzle 5. Puzzle5_(6 of 20)_400dpi.tif - Image containing the pieces of chad for Puzzle 5. Puzzle5_(7 of 20)_400dpi.tif - Image containing the pieces of chad for Puzzle 5. Puzzle5_(8 of 20)_400dpi.tif - Image containing the pieces of chad for Puzzle 5. Puzzle5_(9 of 20)_400dpi.tif - Image containing the pieces of chad for Puzzle 5. Puzzle5_(10 of 20)_400dpi.tif - Image containing the pieces of chad for Puzzle 5. Puzzle5_(11 of 20)_400dpi.tif - Image containing the pieces of chad for Puzzle 5. Puzzle5_(12 of 20)_400dpi.tif - Image containing the pieces of chad for Puzzle 5. Puzzle5_(13 of 20)_400dpi.tif - Image containing the pieces of chad for Puzzle 5. Puzzle5_(14 of 20)_400dpi.tif - Image containing the pieces of chad for Puzzle 5. Puzzle5_(15 of 20)_400dpi.tif - Image containing the pieces of chad for Puzzle 5. Puzzle5_(16 of 20)_400dpi.tif - Image containing the pieces of chad for Puzzle 5. Puzzle5_(17 of 20)_400dpi.tif - Image containing the pieces of chad for Puzzle 5. Puzzle5_(18 of 20)_400dpi.tif - Image containing the pieces of chad for Puzzle 5. Puzzle5_(19 of 20)_400dpi.tif - Image containing the pieces of chad for Puzzle 5. Puzzle5_(20 of 20)_400dpi.tif - Image containing the pieces of chad for Puzzle 5. Puzzle5.txt - Text file with mandatory and additional questions.
Estimated* download time: 38 minutes


The puzzles are in a ZIP format that includes the associated TIF image(s) and a TXT file. The TXT file contains amplifying instructions as well as the associated puzzle-specific question(s) that must be answered in order to score points. The TXT file also includes a set of additional questions that DARPA requests participants answer in order to conduct analysis of the various reconstruction methods used by the participants.

If after reading the FAQ you have any technical questions with downloading and/or unzipping the file, please send an e-mail to shredderchallenge@darpa.mil.

*Estimated times are based on a standard high-speed cable connection. Actual download times may vary.

Home | Privacy Statement | Terms of Use | Contact Us | DARPA Home | Accessibility/Section 508

This is an official U S. Department of Defense web site sponsored by the Defense Advanced Research Projects Agency.