February 2012 Challenge
Count of Maximum, Lucky Long
March 2012 Challenge
Free Shuttle Service, Home Delivery, Spoon in Matrix
April Challenge 2012
Parallel Computing, Fit to Play, Double Strings, Stacking Pancakes, Greatest Dumpling Fight, Similar Graphs
November Challenge 2012
Delicious Dishes, Coin Flip, Sridhar Likes Travelling
February 2013 Challenge
Climbing Stairs, Little Elephant and Cards, Buy1-Get1
March Challenge 2013
Tourist Translations, Fire Escape Routes
April Challenge 2013
Little Elephant and Music, Barcelona Gameplay Tactics, Kingdom Unity, Maximum Weight Difference, Levy Conjecture
May Challenge 2013
Matchsticks, Your Name is Mine, Name Reduction
July Challenge 2013
Chef and Walking on the rectangle , Count K-Primes
April Challenge 2016
Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring
India