August Challenge 2013
Hello Hello, Save The Princess, The Number Of Solutions, Chef and Segments, Sereja and Ballons, Deleting numbers, Splitting Candies, Little Elephant and Lemonade
October Cook-Off 2013
Polo the Penguin and the Lucky String, Polo the Penguin and the Numbers, Polo the Penguin and the Test, Polo the Penguin and the XOR, Polo the Penguin and the Tree
October Challenge 2013
Maxim and Dividers, Yet Another Nice Girl, CAO Stage-3, Sereja and Transformation, Helping Lira, Little Elephant and Bamboo
January Challenge 2015
Queries on the String, Sereja and Number Division 2, Chef and A Large Permutation
July Challenge 2015
Addition and Multiplication, Sereja and Game 2, Bread, MasterChef, Na2a and lucky stone, Chef and Cube, Rohith and Circles, Easy exam
Indonesia