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CiSRA Puzzle Competition 2012

This is the archive of the 2012 Puzzle Competition. Please visit the current competition site for information about the latest Puzzle Competition.

Welcome to the 2012 CiSRA Puzzle Competition web site. The puzzles here have an unusual twist: no instructions are provided, and each puzzle works differently. New puzzlers may wish to consult our puzzle solving guide and warm up with puzzles from previous years before registering for our annual competition. Entry is free. Australian students can win prizes (terms and conditions apply).

CiSRA is Canon Information Systems Research Australia, a leading research and development centre for Canon.


8 October 2012
The 2012 Competition is over. Congratulations to everyone who solved puzzles, and particularly to our top 3 teams in each category:

Competition winners      Prize winners        Iron Brain winners  
1    Killer Chicken Bones 1    Fo' Quizzle     1    The Crazy Uncle of Tamarkin We Ignore
2    Puzzletome 2    Wild Goldfish: Bowel Induced Inspiration 2    Wedge Tail
3    The Judean GNUs 3    Professional Cake Eaters 3    Fishtopia

See the team stats page for the final scores and rankings of all teams. We hope you had as much fun solving the puzzles as we did creating them.

Worked solutions for each puzzle can be found on the puzzle page, and the full answer log is now available. Credits for the 2012 Competition.

More news. RSS news feed.

2012 Competition Dates

  • Tue 04 September, 2012 - Site open for team registration.
  • Mon 24 September, 2012 - Group 1 puzzles released.
  • Mon 01 October, 2012 - Puzzle Week begins. Group 2 puzzles released.
  • Tue 02 October, 2012 - Group 3 puzzles released. Hints released for Groups 1 and 2.
  • Wed 03 October, 2012 - Group 4 puzzles released. Hints released for Groups 1, 2, 3.
  • Thu 04 October, 2012 - Group 5 puzzles released. Hints released for Groups 1, 2, 3, 4.
  • Fri 05 October, 2012 - Hints released for Groups 3, 4, 5.
  • Sat 06 October, 2012 - Hints released for Groups 4, 5.
  • Sun 07 October, 2012 - Hints released for Group 5.
  • Mon 08 October, 2012 - Competition closes. Puzzle solutions released. Provisional prize winners contacted to verify eligibility.


Administrative and technical inquiries to the CiSRA Puzzlers: