Arthur

Solve a problem for the first time

Awarded to Arthur on 13 Jul 2023

Like a problem or solution

Awarded to Arthur on 17 Jul 2023

Comment on a problem or solution

Awarded to Arthur on 17 Jul 2023

Solve all the problems in Draw Letters problem group

Awarded to Arthur on 17 Jul 2023

Solve a community group

Awarded to Arthur on 17 Jul 2023

Create a problem

Awarded to Arthur on 18 Jul 2023

Be the first to solve a problem

Awarded to Arthur on 18 Jul 2023

Solve all the problems in CUP Challenge

Awarded to Arthur on 18 Jul 2023

Receive 10 likes on a problem you have created

Awarded to Arthur on 18 Jul 2023

Obtain 50 solvers for a problem you have created

Awarded to Arthur on 16 Aug 2025