June Challenge 2012
Arranging Cup-cakes, Little Elephant and Candies
December Challenge 2012
Granama Recipes, Magic Rankings, Pizza Delivery
January Challenge 2013
The Minimum Number Of Moves
February 2013 Challenge
Little Elephant and Cards, Buy1-Get1, Climbing Stairs
February Cook-Off 2013
Lack of Logic, Row and Column Operations
March Challenge 2013
Approximately, Minesweeper, Fire Escape Routes, Tourist Translations
April Challenge 2013
Maximum Weight Difference, Levy Conjecture
June Challenge 2013
Dessert Wizard, Predictopus, Lapindromes
August Challenge 2013
Music & Lyrics, Splitting Candies, Deleting numbers, Sereja and Ballons, Chef and Segments, Save The Princess, Hello Hello, Little Elephant and Lemonade, The Number Of Solutions
August Cook-Off 2013
Chef and The Right Triangles
September Challenge 2013
CAO Stage-1, CAO Stage-2, Project Spoon, Chef and Integers , Cool Guys, Little Elephant and Exams
October Challenge 2013
Helping Lira, Maxim and Dividers
November Challenge 2013
Uncle Johny, Missing some chairs
