February Challenge 2015
Let us play with rank list, Chef and Equality, Chef and Chain
April Challenge 2015
Count Sequences, Chef and Interview, Broken Telephone, Chef and Piano Scales
May Challenge 2015
Chef and Prime Divisors, Set Difference , Chef and new recipe
August Challenge 2015
Gravity Guy, Aditi and Magic Trick, Cooking Machine, Devu And Churu , Way Out
September Challenge 2015
Chain of Doughnuts, Nikitosh and xor, Count Steps in Matrix, Bank robbery, Lighthouses, Cracking the Code
October Challenge 2015
Rupsa and Equilateral Triangle, Spheres, Count Subarrays, Time measure, Who dares to be a millionaire
May Cook-Off 2015
Devu and friendship testing
September Lunchtime 2015
Sum of palindromic numbers
February Challenge 2016
Sereja and Two Lines, Matrix Maximum Sum, Chef-Detective, Rectangles of Love, Devu and a light discussion, Chef and Strange Operations
July Challenge 2016
Andrash and Stipendium, Scheduling jobs on a cluster, Chefland and Electricity, Chef and Robots Competition, Chef and Tetris, Chef and Segments
April Cook-Off 2016
Movie Weekend, Odd Divisors
February Lunchtime 2016
Chef and Socks, Chef and Tic-Tac-Toe
June Lunchtime 2016
Collisions, One more weird game
India