January Challenge 2015
Chef and Stones, Sereja and Votes
March Challenge 2015
Chef and Notebooks, Sign Wave
April Challenge 2015
Chef and Piano Scales, Division of Lands, Broken Telephone, Chef and Interview, Count Sequences
May Challenge 2015
Devu and his three Hands, Devu and binary String, Chef and Prime Divisors, Set Difference , Chef and new recipe, Chef and Cake
June Challenge 2015
Chef and String, Chef and Polygons, Chef and Memory Limit, Steady tables, Chef and His Friend
July Challenge 2015
Addition and Multiplication, Sereja and Game 2, Bread, MasterChef, Na2a and lucky stone, Chef and Cube, Rohith and Circles
August Challenge 2015
Gravity Guy, Aditi and Magic Trick, Cooking Machine, Way Out
June Lunchtime 2015
Chef and Submatrix, Chef and Two Strings
July Cook-Off 2016
Chef and Proportion, Chef and Numbers
India