March 2012 Challenge
Home Delivery, Spoon in Matrix, Free Shuttle Service
April Challenge 2012
Fit to Play, Double Strings, Stacking Pancakes, Greatest Dumpling Fight, Similar Graphs
June Challenge 2012
Little Elephant and Candies
August Challenge 2012
Little Elephant and Bombs, Lucky Driving, Range of Data, Delivery Boy
July Cook-Off 2012
Ciel and Receipt, Ciel and Tomya
September Cook-Off 2012
Prime Permutations, Coal Scam, Carvans, Recipe Reconstruction
February 2013 Challenge
Little Elephant and Cards, Buy1-Get1, Magic Board, Climbing Stairs, Efficient Painting
February Cook-Off 2013
Lack of Logic, Row and Column Operations, Hotel Balifornia 2
April Challenge 2013
Little Elephant and Music, Cylinder, Levy Conjecture, Maximum Weight Difference, Kingdom Unity, ChefGame, Barcelona Gameplay Tactics, Fault Tolerance
April Cook-Off 2013
Andrew and the Meatballs, Andrew and the Meatballs again
August Challenge 2013
Splitting Candies, Chef and Segments, The Number Of Solutions, Save The Princess, Hello Hello, Little Elephant and Lemonade
September Challenge 2013
Little Elephant and Exams, Merciless Chef, Cool Guys, Chef and Integers , Project Spoon, CAO Stage-1, CAO Stage-2
October Cook-Off 2013
Polo the Penguin and the Numbers, Polo the Penguin and the Test, Polo the Penguin and the XOR
