Contributed problems to the Cody 5th anniversary groups

Awarded to AMITAVA BISWAS on 16 Oct 2017

Like a problem or solution

Awarded to AMITAVA BISWAS on 28 Jan 2012

Comment on a problem or solution

Awarded to AMITAVA BISWAS on 20 Feb 2012

Solve a problem for the first time

Awarded to AMITAVA BISWAS on 26 Jan 2012

Solve a problem with a best solution

Awarded to AMITAVA BISWAS on 01 Aug 2017

Be the first to solve a problem

Awarded to AMITAVA BISWAS on 26 Jan 2012

Create a problem

Awarded to AMITAVA BISWAS on 26 Jan 2012

Create 10 problems

Awarded to AMITAVA BISWAS on 02 Feb 2012

Obtain 50 solvers for a problem you have created

Awarded to AMITAVA BISWAS on 12 Oct 2012

Receive 10 likes on a problem you have created

Awarded to AMITAVA BISWAS on 20 Dec 2016

Receive 25 likes on a problem you have created

Awarded to AMITAVA BISWAS on 25 Jul 2013

Solve all the problems in Tiles Challenge

Awarded to AMITAVA BISWAS on 06 Apr 2012

Publish your first submission

Awarded to AMITAVA BISWAS on 09 Oct 2019

Publish your first comment or rating

Awarded to AMITAVA BISWAS on 09 Oct 2019

Download any 10 unique submissions

Awarded to AMITAVA BISWAS on 01 Dec 2019

Your submissions were downloaded 10 or more times in a month

Awarded to AMITAVA BISWAS on 01 Jun 2020