June Challenge 2012
Little Elephant and Candies, Arranging Cup-cakes, Closest Points
July Challenge 2012
The Gray-Similar Code, Gift Rift
August Challenge 2012
Little Elephant and Bombs, Lucky Driving, Delivery Boy
September Challenge 2012
Kisses & Hugs, Racing Horses
October Challenge 2012
Fierce Battles, The New Scheme
September Cook-Off 2012
Recipe Reconstruction, Carvans
December Challenge 2012
Granama Recipes, Magic Rankings, The Uncountable Ways, Pizza Delivery
January Challenge 2013
The Minimum Number Of Moves, End Of The World, Chef of the Year, Three Different Numbers
February 2013 Challenge
Efficient Painting, Climbing Stairs, Little Elephant and Cards, Buy1-Get1
April Challenge 2013
Little Elephant and Music, Barcelona Gameplay Tactics, Kingdom Unity, Maximum Weight Difference, Levy Conjecture
June Challenge 2013
Lapindromes, W String, To challenge or not, Predictopus, Just Some Permutations 3, Collecting Magical Berries, Little Elephant and Mouses, Dessert Wizard
September Challenge 2013
CAO Stage-2, CAO Stage-1, Project Spoon, Chef and Integers , Cool Guys, Little Elephant and Exams
October Challenge 2013
Little Elephant and Bamboo, Helping Lira, Maxim and Dividers, Sereja and Transformation, CAO Stage-3, Yet Another Nice Girl, Edit Distance on Grid, Kamehameha
