Receive 25 likes on a problem you have created

Awarded to Chris E. on 21 Sep 2020

Your submissions were downloaded 30 or more times in a month

Awarded to Chris E. on 01 May 2020

Publish your first submission

Awarded to Chris E. on 31 Jan 2020

Download any 10 unique submissions

Awarded to Chris E. on 01 Nov 2019

Accept 20 answers given by other contributors

Awarded to Chris E. on 20 Jul 2017

1 of your answers has been accepted

Awarded to Chris E. on 20 Jul 2017

Provide your first answer ever to someone else's question

Awarded to Chris E. on 20 Jul 2017

Obtain 50 solvers for a problem you have created

Awarded to Chris E. on 05 Mar 2014

Create 10 problems

Awarded to Chris E. on 18 Jul 2013

Like a problem or solution

Awarded to Chris E. on 27 Jun 2013

Comment on a problem or solution

Awarded to Chris E. on 27 Jun 2013

Create a problem

Awarded to Chris E. on 26 Jun 2013

Be the first to solve a problem

Awarded to Chris E. on 26 Jun 2013

Solve a problem for the first time

Awarded to Chris E. on 23 Jun 2013