June Challenge 2016
Chef And The Hiring Event, Chef And Binary Operation, Chef and Coins Game, Devu and an Array
September Challenge 2016
Chef and digits of a number, Faded Palindromes, Chef and calculation
October Challenge 2016
Chef and Keyboard, Chef and Three Dogs
June Lunchtime 2016
One more weird game, Collisions
March Challenge 2017
Xenny and Alternating Tasks, Bear and Extra Number
June Challenge 2017
A Good Set, Chef and the Feast, Xenny and Coin Rankings
May Challenge 2020 Division 2
Coronavirus Spread, Isolation Centers
April Challenge 2021 Division 3
Chef and Dice, Valid Pair, World Record, Strong Language
June Challenge 2021 Division 3 (Rated)
Bitwise Tuples, Bella ciao, Summer Heat
India